81761150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 159030000

約数和(自身を除く): 77268850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 113, 145, 226, 290, 499, 565, 725, 998, 1130, 1450, 2495, 2825, 3277, 4990, 5650, 6554, 12475, 14471, 16385, 24950, 28942, 32770, 56387, 72355, 81925, 112774, 144710, 163850, 281935, 361775, 563870, 723550, 1409675, 1635223, 2819350, 3270446, 8176115, 16352230, 40880575, 81761150]

約数ペア:

[(1, 81761150), (2, 40880575), (5, 16352230), (10, 8176115), (25, 3270446), (29, 2819350), (50, 1635223), (58, 1409675), (113, 723550), (145, 563870), (226, 361775), (290, 281935), (499, 163850), (565, 144710), (725, 112774), (998, 81925), (1130, 72355), (1450, 56387), (2495, 32770), (2825, 28942), (3277, 24950), (4990, 16385), (5650, 14471), (6554, 12475)]