198996840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 288

約数和(自身を含む): 780273000

約数和(自身を除く): 581276160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 49, 56, 58, 60, 63, 70, 72, 84, 87, 90, 98, 105, 116, 120, 126, 140, 145, 147, 168, 174, 180, 196, 203, 210, 232, 245, 252, 261, 280, 290, 294, 315, 348, 360, 389, 392, 406, 420, 435, 441, 490, 504, 522, 580, 588, 609, 630, 696, 735, 778, 812, 840, 870, 882, 980, 1015, 1044, 1160, 1167, 1176, 1218, 1260, 1305, 1421, 1470, 1556, 1624, 1740, 1764, 1827, 1945, 1960, 2030, 2088, 2205, 2334, 2436, 2520, 2610, 2723, 2842, 2940, 3045, 3112, 3480, 3501, 3528, 3654, 3890, 4060, 4263, 4410, 4668, 4872, 5220, 5446, 5684, 5835, 5880, 6090, 7002, 7105, 7308, 7780, 8120, 8169, 8526, 8820, 9135, 9336, 10440, 10892, 11281, 11368, 11670, 12180, 12789, 13615, 14004, 14210, 14616, 15560, 16338, 17052, 17505, 17640, 18270, 19061, 21315, 21784, 22562, 23340, 24360, 24507, 25578, 27230, 28008, 28420, 32676, 33843, 34104, 35010, 36540, 38122, 40845, 42630, 45124, 46680, 49014, 51156, 54460, 56405, 56840, 57183, 63945, 65352, 67686, 70020, 73080, 76244, 78967, 81690, 85260, 90248, 95305, 98028, 101529, 102312, 108920, 112810, 114366, 122535, 127890, 135372, 140040, 152488, 157934, 163380, 169215, 170520, 171549, 190610, 196056, 203058, 225620, 228732, 236901, 245070, 255780, 270744, 285915, 315868, 326760, 338430, 343098, 381220, 394835, 406116, 451240, 457464, 473802, 490140, 507645, 511560, 552769, 571830, 631736, 676860, 686196, 710703, 762440, 789670, 812232, 857745, 947604, 980280, 1015290, 1105538, 1143660, 1184505, 1353720, 1372392, 1421406, 1579340, 1658307, 1715490, 1895208, 2030580, 2211076, 2287320, 2369010, 2763845, 2842812, 3158680, 3316614, 3430980, 3553515, 4061160, 4422152, 4738020, 4974921, 5527690, 5685624, 6633228, 6861960, 7107030, 8291535, 9476040, 9949842, 11055380, 13266456, 14214060, 16583070, 19899684, 22110760, 24874605, 28428120, 33166140, 39799368, 49749210, 66332280, 99498420, 198996840]

約数ペア:

[(1, 198996840), (2, 99498420), (3, 66332280), (4, 49749210), (5, 39799368), (6, 33166140), (7, 28428120), (8, 24874605), (9, 22110760), (10, 19899684), (12, 16583070), (14, 14214060), (15, 13266456), (18, 11055380), (20, 9949842), (21, 9476040), (24, 8291535), (28, 7107030), (29, 6861960), (30, 6633228), (35, 5685624), (36, 5527690), (40, 4974921), (42, 4738020), (45, 4422152), (49, 4061160), (56, 3553515), (58, 3430980), (60, 3316614), (63, 3158680), (70, 2842812), (72, 2763845), (84, 2369010), (87, 2287320), (90, 2211076), (98, 2030580), (105, 1895208), (116, 1715490), (120, 1658307), (126, 1579340), (140, 1421406), (145, 1372392), (147, 1353720), (168, 1184505), (174, 1143660), (180, 1105538), (196, 1015290), (203, 980280), (210, 947604), (232, 857745), (245, 812232), (252, 789670), (261, 762440), (280, 710703), (290, 686196), (294, 676860), (315, 631736), (348, 571830), (360, 552769), (389, 511560), (392, 507645), (406, 490140), (420, 473802), (435, 457464), (441, 451240), (490, 406116), (504, 394835), (522, 381220), (580, 343098), (588, 338430), (609, 326760), (630, 315868), (696, 285915), (735, 270744), (778, 255780), (812, 245070), (840, 236901), (870, 228732), (882, 225620), (980, 203058), (1015, 196056), (1044, 190610), (1160, 171549), (1167, 170520), (1176, 169215), (1218, 163380), (1260, 157934), (1305, 152488), (1421, 140040), (1470, 135372), (1556, 127890), (1624, 122535), (1740, 114366), (1764, 112810), (1827, 108920), (1945, 102312), (1960, 101529), (2030, 98028), (2088, 95305), (2205, 90248), (2334, 85260), (2436, 81690), (2520, 78967), (2610, 76244), (2723, 73080), (2842, 70020), (2940, 67686), (3045, 65352), (3112, 63945), (3480, 57183), (3501, 56840), (3528, 56405), (3654, 54460), (3890, 51156), (4060, 49014), (4263, 46680), (4410, 45124), (4668, 42630), (4872, 40845), (5220, 38122), (5446, 36540), (5684, 35010), (5835, 34104), (5880, 33843), (6090, 32676), (7002, 28420), (7105, 28008), (7308, 27230), (7780, 25578), (8120, 24507), (8169, 24360), (8526, 23340), (8820, 22562), (9135, 21784), (9336, 21315), (10440, 19061), (10892, 18270), (11281, 17640), (11368, 17505), (11670, 17052), (12180, 16338), (12789, 15560), (13615, 14616), (14004, 14210)]