398322540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 288

約数和(自身を含む): 1559900160

約数和(自身を除く): 1161577620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 29, 30, 33, 35, 36, 42, 44, 45, 55, 58, 60, 63, 66, 70, 77, 84, 87, 90, 99, 105, 110, 116, 126, 132, 140, 145, 154, 165, 174, 180, 198, 203, 210, 220, 231, 252, 261, 290, 308, 315, 319, 330, 348, 385, 396, 406, 420, 435, 462, 495, 522, 580, 609, 630, 638, 660, 693, 770, 812, 870, 924, 957, 990, 991, 1015, 1044, 1155, 1218, 1260, 1276, 1305, 1386, 1540, 1595, 1740, 1827, 1914, 1980, 1982, 2030, 2233, 2310, 2436, 2610, 2772, 2871, 2973, 3045, 3190, 3465, 3654, 3828, 3964, 4060, 4466, 4620, 4785, 4955, 5220, 5742, 5946, 6090, 6380, 6699, 6930, 6937, 7308, 8919, 8932, 9135, 9570, 9910, 10901, 11165, 11484, 11892, 12180, 13398, 13860, 13874, 14355, 14865, 17838, 18270, 19140, 19820, 20097, 20811, 21802, 22330, 26796, 27748, 28710, 28739, 29730, 32703, 33495, 34685, 35676, 36540, 40194, 41622, 43604, 44595, 44660, 54505, 57420, 57478, 59460, 62433, 65406, 66990, 69370, 76307, 80388, 83244, 86217, 89190, 98109, 100485, 104055, 109010, 114956, 124866, 130812, 133980, 138740, 143695, 152614, 163515, 172434, 178380, 196218, 200970, 201173, 208110, 218020, 228921, 249732, 258651, 287390, 305228, 312165, 316129, 327030, 344868, 381535, 392436, 401940, 402346, 416220, 431085, 457842, 490545, 517302, 574780, 603519, 624330, 632258, 654060, 686763, 763070, 804692, 862170, 915684, 948387, 981090, 1005865, 1034604, 1144605, 1207038, 1248660, 1264516, 1293255, 1373526, 1526140, 1580645, 1724340, 1810557, 1896774, 1962180, 2011730, 2212903, 2289210, 2414076, 2586510, 2747052, 2845161, 3017595, 3161290, 3433815, 3621114, 3793548, 4023460, 4425806, 4578420, 4741935, 5173020, 5690322, 6035190, 6322580, 6638709, 6867630, 7242228, 8851612, 9052785, 9483870, 11064515, 11380644, 12070380, 13277418, 13735260, 14225805, 18105570, 18967740, 19916127, 22129030, 26554836, 28451610, 33193545, 36211140, 39832254, 44258060, 56903220, 66387090, 79664508, 99580635, 132774180, 199161270, 398322540]

約数ペア:

[(1, 398322540), (2, 199161270), (3, 132774180), (4, 99580635), (5, 79664508), (6, 66387090), (7, 56903220), (9, 44258060), (10, 39832254), (11, 36211140), (12, 33193545), (14, 28451610), (15, 26554836), (18, 22129030), (20, 19916127), (21, 18967740), (22, 18105570), (28, 14225805), (29, 13735260), (30, 13277418), (33, 12070380), (35, 11380644), (36, 11064515), (42, 9483870), (44, 9052785), (45, 8851612), (55, 7242228), (58, 6867630), (60, 6638709), (63, 6322580), (66, 6035190), (70, 5690322), (77, 5173020), (84, 4741935), (87, 4578420), (90, 4425806), (99, 4023460), (105, 3793548), (110, 3621114), (116, 3433815), (126, 3161290), (132, 3017595), (140, 2845161), (145, 2747052), (154, 2586510), (165, 2414076), (174, 2289210), (180, 2212903), (198, 2011730), (203, 1962180), (210, 1896774), (220, 1810557), (231, 1724340), (252, 1580645), (261, 1526140), (290, 1373526), (308, 1293255), (315, 1264516), (319, 1248660), (330, 1207038), (348, 1144605), (385, 1034604), (396, 1005865), (406, 981090), (420, 948387), (435, 915684), (462, 862170), (495, 804692), (522, 763070), (580, 686763), (609, 654060), (630, 632258), (638, 624330), (660, 603519), (693, 574780), (770, 517302), (812, 490545), (870, 457842), (924, 431085), (957, 416220), (990, 402346), (991, 401940), (1015, 392436), (1044, 381535), (1155, 344868), (1218, 327030), (1260, 316129), (1276, 312165), (1305, 305228), (1386, 287390), (1540, 258651), (1595, 249732), (1740, 228921), (1827, 218020), (1914, 208110), (1980, 201173), (1982, 200970), (2030, 196218), (2233, 178380), (2310, 172434), (2436, 163515), (2610, 152614), (2772, 143695), (2871, 138740), (2973, 133980), (3045, 130812), (3190, 124866), (3465, 114956), (3654, 109010), (3828, 104055), (3964, 100485), (4060, 98109), (4466, 89190), (4620, 86217), (4785, 83244), (4955, 80388), (5220, 76307), (5742, 69370), (5946, 66990), (6090, 65406), (6380, 62433), (6699, 59460), (6930, 57478), (6937, 57420), (7308, 54505), (8919, 44660), (8932, 44595), (9135, 43604), (9570, 41622), (9910, 40194), (10901, 36540), (11165, 35676), (11484, 34685), (11892, 33495), (12180, 32703), (13398, 29730), (13860, 28739), (13874, 28710), (14355, 27748), (14865, 26796), (17838, 22330), (18270, 21802), (19140, 20811), (19820, 20097)]