20030429775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1999}}^1$

素因数の和:2329

約数の個数: 96

約数和(自身を含む): 36426240000

約数和(自身を除く): 16395810225

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 271, 425, 435, 493, 725, 813, 1275, 1355, 1479, 1999, 2175, 2465, 4065, 4607, 5997, 6775, 7395, 7859, 9995, 12325, 13821, 20325, 23035, 23577, 29985, 33983, 36975, 39295, 49975, 57971, 69105, 101949, 115175, 117885, 133603, 149925, 169915, 173913, 196475, 289855, 345525, 400809, 509745, 541729, 589425, 668015, 849575, 869565, 985507, 1449275, 1625187, 2004045, 2548725, 2708645, 2956521, 3340075, 4347825, 4927535, 8125935, 9209393, 10020225, 13543225, 14782605, 15710141, 24637675, 27628179, 40629675, 46046965, 47130423, 73913025, 78550705, 138140895, 230234825, 235652115, 267072397, 392753525, 690704475, 801217191, 1178260575, 1335361985, 4006085955, 6676809925, 20030429775]

約数ペア:

[(1, 20030429775), (3, 6676809925), (5, 4006085955), (15, 1335361985), (17, 1178260575), (25, 801217191), (29, 690704475), (51, 392753525), (75, 267072397), (85, 235652115), (87, 230234825), (145, 138140895), (255, 78550705), (271, 73913025), (425, 47130423), (435, 46046965), (493, 40629675), (725, 27628179), (813, 24637675), (1275, 15710141), (1355, 14782605), (1479, 13543225), (1999, 10020225), (2175, 9209393), (2465, 8125935), (4065, 4927535), (4607, 4347825), (5997, 3340075), (6775, 2956521), (7395, 2708645), (7859, 2548725), (9995, 2004045), (12325, 1625187), (13821, 1449275), (20325, 985507), (23035, 869565), (23577, 849575), (29985, 668015), (33983, 589425), (36975, 541729), (39295, 509745), (49975, 400809), (57971, 345525), (69105, 289855), (101949, 196475), (115175, 173913), (117885, 169915), (133603, 149925)]