31690850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 61067520

約数和(自身を除く): 29376670

約数列:

[1, 2, 5, 10, 25, 50, 71, 79, 113, 142, 158, 226, 355, 395, 565, 710, 790, 1130, 1775, 1975, 2825, 3550, 3950, 5609, 5650, 8023, 8927, 11218, 16046, 17854, 28045, 40115, 44635, 56090, 80230, 89270, 140225, 200575, 223175, 280450, 401150, 446350, 633817, 1267634, 3169085, 6338170, 15845425, 31690850]

約数ペア:

[(1, 31690850), (2, 15845425), (5, 6338170), (10, 3169085), (25, 1267634), (50, 633817), (71, 446350), (79, 401150), (113, 280450), (142, 223175), (158, 200575), (226, 140225), (355, 89270), (395, 80230), (565, 56090), (710, 44635), (790, 40115), (1130, 28045), (1775, 17854), (1975, 16046), (2825, 11218), (3550, 8927), (3950, 8023), (5609, 5650)]