31138460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 69521760

約数和(自身を除く): 38383300

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1451, 2146, 2902, 4292, 5365, 5804, 7255, 10730, 14510, 21460, 29020, 42079, 53687, 84158, 107374, 168316, 210395, 214748, 268435, 420790, 536870, 841580, 1073740, 1556923, 3113846, 6227692, 7784615, 15569230, 31138460]

約数ペア:

[(1, 31138460), (2, 15569230), (4, 7784615), (5, 6227692), (10, 3113846), (20, 1556923), (29, 1073740), (37, 841580), (58, 536870), (74, 420790), (116, 268435), (145, 214748), (148, 210395), (185, 168316), (290, 107374), (370, 84158), (580, 53687), (740, 42079), (1073, 29020), (1451, 21460), (2146, 14510), (2902, 10730), (4292, 7255), (5365, 5804)]