42720700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 102743424

約数和(自身を除く): 60022724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 547, 550, 710, 781, 1094, 1100, 1420, 1562, 1775, 2188, 2735, 3124, 3550, 3905, 5470, 6017, 7100, 7810, 10940, 12034, 13675, 15620, 19525, 24068, 27350, 30085, 38837, 39050, 54700, 60170, 77674, 78100, 120340, 150425, 155348, 194185, 300850, 388370, 427207, 601700, 776740, 854414, 970925, 1708828, 1941850, 2136035, 3883700, 4272070, 8544140, 10680175, 21360350, 42720700]

約数ペア:

[(1, 42720700), (2, 21360350), (4, 10680175), (5, 8544140), (10, 4272070), (11, 3883700), (20, 2136035), (22, 1941850), (25, 1708828), (44, 970925), (50, 854414), (55, 776740), (71, 601700), (100, 427207), (110, 388370), (142, 300850), (220, 194185), (275, 155348), (284, 150425), (355, 120340), (547, 78100), (550, 77674), (710, 60170), (781, 54700), (1094, 39050), (1100, 38837), (1420, 30085), (1562, 27350), (1775, 24068), (2188, 19525), (2735, 15620), (3124, 13675), (3550, 12034), (3905, 10940), (5470, 7810), (6017, 7100)]