65641700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 148526952

約数和(自身を除く): 82885252

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 113, 148, 157, 185, 226, 314, 370, 452, 565, 628, 740, 785, 925, 1130, 1570, 1850, 2260, 2825, 3140, 3700, 3925, 4181, 5650, 5809, 7850, 8362, 11300, 11618, 15700, 16724, 17741, 20905, 23236, 29045, 35482, 41810, 58090, 70964, 83620, 88705, 104525, 116180, 145225, 177410, 209050, 290450, 354820, 418100, 443525, 580900, 656417, 887050, 1312834, 1774100, 2625668, 3282085, 6564170, 13128340, 16410425, 32820850, 65641700]

約数ペア:

[(1, 65641700), (2, 32820850), (4, 16410425), (5, 13128340), (10, 6564170), (20, 3282085), (25, 2625668), (37, 1774100), (50, 1312834), (74, 887050), (100, 656417), (113, 580900), (148, 443525), (157, 418100), (185, 354820), (226, 290450), (314, 209050), (370, 177410), (452, 145225), (565, 116180), (628, 104525), (740, 88705), (785, 83620), (925, 70964), (1130, 58090), (1570, 41810), (1850, 35482), (2260, 29045), (2825, 23236), (3140, 20905), (3700, 17741), (3925, 16724), (4181, 15700), (5650, 11618), (5809, 11300), (7850, 8362)]