31180270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 64613376

約数和(自身を除く): 33433106

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 110, 163, 185, 235, 326, 370, 407, 470, 517, 814, 815, 1034, 1630, 1739, 1793, 2035, 2585, 3478, 3586, 4070, 5170, 6031, 7661, 8695, 8965, 12062, 15322, 17390, 17930, 19129, 30155, 38258, 38305, 60310, 66341, 76610, 84271, 95645, 132682, 168542, 191290, 283457, 331705, 421355, 566914, 663410, 842710, 1417285, 2834570, 3118027, 6236054, 15590135, 31180270]

約数ペア:

[(1, 31180270), (2, 15590135), (5, 6236054), (10, 3118027), (11, 2834570), (22, 1417285), (37, 842710), (47, 663410), (55, 566914), (74, 421355), (94, 331705), (110, 283457), (163, 191290), (185, 168542), (235, 132682), (326, 95645), (370, 84271), (407, 76610), (470, 66341), (517, 60310), (814, 38305), (815, 38258), (1034, 30155), (1630, 19129), (1739, 17930), (1793, 17390), (2035, 15322), (2585, 12062), (3478, 8965), (3586, 8695), (4070, 7661), (5170, 6031)]