138835100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 312688320

約数和(自身を除く): 173853220

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 157, 185, 239, 314, 370, 478, 628, 740, 785, 925, 956, 1195, 1570, 1850, 2390, 3140, 3700, 3925, 4780, 5809, 5975, 7850, 8843, 11618, 11950, 15700, 17686, 23236, 23900, 29045, 35372, 37523, 44215, 58090, 75046, 88430, 116180, 145225, 150092, 176860, 187615, 221075, 290450, 375230, 442150, 580900, 750460, 884300, 938075, 1388351, 1876150, 2776702, 3752300, 5553404, 6941755, 13883510, 27767020, 34708775, 69417550, 138835100]

約数ペア:

[(1, 138835100), (2, 69417550), (4, 34708775), (5, 27767020), (10, 13883510), (20, 6941755), (25, 5553404), (37, 3752300), (50, 2776702), (74, 1876150), (100, 1388351), (148, 938075), (157, 884300), (185, 750460), (239, 580900), (314, 442150), (370, 375230), (478, 290450), (628, 221075), (740, 187615), (785, 176860), (925, 150092), (956, 145225), (1195, 116180), (1570, 88430), (1850, 75046), (2390, 58090), (3140, 44215), (3700, 37523), (3925, 35372), (4780, 29045), (5809, 23900), (5975, 23236), (7850, 17686), (8843, 15700), (11618, 11950)]