31577390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33741010

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 59, 65, 115, 118, 130, 179, 230, 295, 299, 358, 590, 598, 767, 895, 1357, 1495, 1534, 1790, 2327, 2714, 2990, 3835, 4117, 4654, 6785, 7670, 8234, 10561, 11635, 13570, 17641, 20585, 21122, 23270, 35282, 41170, 52805, 53521, 88205, 105610, 107042, 137293, 176410, 242903, 267605, 274586, 485806, 535210, 686465, 1214515, 1372930, 2429030, 3157739, 6315478, 15788695, 31577390]

約数ペア:

[(1, 31577390), (2, 15788695), (5, 6315478), (10, 3157739), (13, 2429030), (23, 1372930), (26, 1214515), (46, 686465), (59, 535210), (65, 485806), (115, 274586), (118, 267605), (130, 242903), (179, 176410), (230, 137293), (295, 107042), (299, 105610), (358, 88205), (590, 53521), (598, 52805), (767, 41170), (895, 35282), (1357, 23270), (1495, 21122), (1534, 20585), (1790, 17641), (2327, 13570), (2714, 11635), (2990, 10561), (3835, 8234), (4117, 7670), (4654, 6785)]