397403820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 240

約数和(自身を含む): 1408730400

約数和(自身を除く): 1011326580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 81, 87, 90, 99, 108, 110, 116, 132, 135, 145, 162, 165, 174, 180, 198, 220, 261, 270, 290, 297, 319, 324, 330, 348, 396, 405, 435, 495, 522, 540, 580, 594, 638, 660, 769, 783, 810, 870, 891, 957, 990, 1044, 1188, 1276, 1305, 1485, 1538, 1566, 1595, 1620, 1740, 1782, 1914, 1980, 2307, 2349, 2610, 2871, 2970, 3076, 3132, 3190, 3564, 3828, 3845, 3915, 4455, 4614, 4698, 4785, 5220, 5742, 5940, 6380, 6921, 7690, 7830, 8459, 8613, 8910, 9228, 9396, 9570, 11484, 11535, 11745, 13842, 14355, 15380, 15660, 16918, 17226, 17820, 19140, 20763, 22301, 23070, 23490, 25377, 25839, 27684, 28710, 33836, 34452, 34605, 41526, 42295, 43065, 44602, 46140, 46980, 50754, 51678, 57420, 62289, 66903, 69210, 76131, 83052, 84590, 86130, 89204, 101508, 103356, 103815, 111505, 124578, 126885, 129195, 133806, 138420, 152262, 169180, 172260, 200709, 207630, 223010, 228393, 245311, 249156, 253770, 258390, 267612, 304524, 311445, 334515, 380655, 401418, 415260, 446020, 456786, 490622, 507540, 516780, 602127, 622890, 669030, 685179, 735933, 761310, 802836, 913572, 981244, 1003545, 1141965, 1204254, 1226555, 1245780, 1338060, 1370358, 1471866, 1522620, 1806381, 2007090, 2207799, 2283930, 2408508, 2453110, 2740716, 2943732, 3010635, 3425895, 3612762, 3679665, 4014180, 4415598, 4567860, 4906220, 6021270, 6623397, 6851790, 7225524, 7359330, 8831196, 9031905, 11038995, 12042540, 13246794, 13703580, 14718660, 18063810, 19870191, 22077990, 26493588, 33116985, 36127620, 39740382, 44155980, 66233970, 79480764, 99350955, 132467940, 198701910, 397403820]

約数ペア:

[(1, 397403820), (2, 198701910), (3, 132467940), (4, 99350955), (5, 79480764), (6, 66233970), (9, 44155980), (10, 39740382), (11, 36127620), (12, 33116985), (15, 26493588), (18, 22077990), (20, 19870191), (22, 18063810), (27, 14718660), (29, 13703580), (30, 13246794), (33, 12042540), (36, 11038995), (44, 9031905), (45, 8831196), (54, 7359330), (55, 7225524), (58, 6851790), (60, 6623397), (66, 6021270), (81, 4906220), (87, 4567860), (90, 4415598), (99, 4014180), (108, 3679665), (110, 3612762), (116, 3425895), (132, 3010635), (135, 2943732), (145, 2740716), (162, 2453110), (165, 2408508), (174, 2283930), (180, 2207799), (198, 2007090), (220, 1806381), (261, 1522620), (270, 1471866), (290, 1370358), (297, 1338060), (319, 1245780), (324, 1226555), (330, 1204254), (348, 1141965), (396, 1003545), (405, 981244), (435, 913572), (495, 802836), (522, 761310), (540, 735933), (580, 685179), (594, 669030), (638, 622890), (660, 602127), (769, 516780), (783, 507540), (810, 490622), (870, 456786), (891, 446020), (957, 415260), (990, 401418), (1044, 380655), (1188, 334515), (1276, 311445), (1305, 304524), (1485, 267612), (1538, 258390), (1566, 253770), (1595, 249156), (1620, 245311), (1740, 228393), (1782, 223010), (1914, 207630), (1980, 200709), (2307, 172260), (2349, 169180), (2610, 152262), (2871, 138420), (2970, 133806), (3076, 129195), (3132, 126885), (3190, 124578), (3564, 111505), (3828, 103815), (3845, 103356), (3915, 101508), (4455, 89204), (4614, 86130), (4698, 84590), (4785, 83052), (5220, 76131), (5742, 69210), (5940, 66903), (6380, 62289), (6921, 57420), (7690, 51678), (7830, 50754), (8459, 46980), (8613, 46140), (8910, 44602), (9228, 43065), (9396, 42295), (9570, 41526), (11484, 34605), (11535, 34452), (11745, 33836), (13842, 28710), (14355, 27684), (15380, 25839), (15660, 25377), (16918, 23490), (17226, 23070), (17820, 22301), (19140, 20763)]