31162340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 73288320

約数和(自身を除く): 42125980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 163, 220, 242, 316, 326, 395, 484, 605, 652, 790, 815, 869, 1210, 1580, 1630, 1738, 1793, 2420, 3260, 3476, 3586, 4345, 7172, 8690, 8965, 9559, 12877, 17380, 17930, 19118, 19723, 25754, 35860, 38236, 39446, 47795, 51508, 64385, 78892, 95590, 98615, 128770, 141647, 191180, 197230, 257540, 283294, 394460, 566588, 708235, 1416470, 1558117, 2832940, 3116234, 6232468, 7790585, 15581170, 31162340]

約数ペア:

[(1, 31162340), (2, 15581170), (4, 7790585), (5, 6232468), (10, 3116234), (11, 2832940), (20, 1558117), (22, 1416470), (44, 708235), (55, 566588), (79, 394460), (110, 283294), (121, 257540), (158, 197230), (163, 191180), (220, 141647), (242, 128770), (316, 98615), (326, 95590), (395, 78892), (484, 64385), (605, 51508), (652, 47795), (790, 39446), (815, 38236), (869, 35860), (1210, 25754), (1580, 19723), (1630, 19118), (1738, 17930), (1793, 17380), (2420, 12877), (3260, 9559), (3476, 8965), (3586, 8690), (4345, 7172)]