72505730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1721}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 142829568

約数和(自身を除く): 70323838

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 766, 1721, 1915, 3442, 3830, 4213, 8426, 8605, 17210, 18931, 21065, 37862, 42130, 94655, 189310, 659143, 1318286, 3295715, 6591430, 7250573, 14501146, 36252865, 72505730]

約数ペア:

[(1, 72505730), (2, 36252865), (5, 14501146), (10, 7250573), (11, 6591430), (22, 3295715), (55, 1318286), (110, 659143), (383, 189310), (766, 94655), (1721, 42130), (1915, 37862), (3442, 21065), (3830, 18931), (4213, 17210), (8426, 8605)]