90905750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 186024384

約数和(自身を除く): 95118634

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 125, 130, 166, 250, 325, 337, 415, 650, 674, 830, 1079, 1625, 1685, 2075, 2158, 3250, 3370, 4150, 4381, 5395, 8425, 8762, 10375, 10790, 16850, 20750, 21905, 26975, 27971, 42125, 43810, 53950, 55942, 84250, 109525, 134875, 139855, 219050, 269750, 279710, 363623, 547625, 699275, 727246, 1095250, 1398550, 1818115, 3496375, 3636230, 6992750, 9090575, 18181150, 45452875, 90905750]

約数ペア:

[(1, 90905750), (2, 45452875), (5, 18181150), (10, 9090575), (13, 6992750), (25, 3636230), (26, 3496375), (50, 1818115), (65, 1398550), (83, 1095250), (125, 727246), (130, 699275), (166, 547625), (250, 363623), (325, 279710), (337, 269750), (415, 219050), (650, 139855), (674, 134875), (830, 109525), (1079, 84250), (1625, 55942), (1685, 53950), (2075, 43810), (2158, 42125), (3250, 27971), (3370, 26975), (4150, 21905), (4381, 20750), (5395, 16850), (8425, 10790), (8762, 10375)]