347548240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2551}}^1$

素因数の和:2708

約数の個数: 80

約数和(自身を含む): 877193856

約数和(自身を除く): 529645616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1310, 1703, 2096, 2551, 2620, 3406, 5102, 5240, 6812, 8515, 10204, 10480, 12755, 13624, 17030, 20408, 25510, 27248, 33163, 34060, 40816, 51020, 66326, 68120, 102040, 132652, 136240, 165815, 204080, 265304, 331630, 334181, 530608, 663260, 668362, 1326520, 1336724, 1670905, 2653040, 2673448, 3341810, 4344353, 5346896, 6683620, 8688706, 13367240, 17377412, 21721765, 26734480, 34754824, 43443530, 69509648, 86887060, 173774120, 347548240]

約数ペア:

[(1, 347548240), (2, 173774120), (4, 86887060), (5, 69509648), (8, 43443530), (10, 34754824), (13, 26734480), (16, 21721765), (20, 17377412), (26, 13367240), (40, 8688706), (52, 6683620), (65, 5346896), (80, 4344353), (104, 3341810), (130, 2673448), (131, 2653040), (208, 1670905), (260, 1336724), (262, 1326520), (520, 668362), (524, 663260), (655, 530608), (1040, 334181), (1048, 331630), (1310, 265304), (1703, 204080), (2096, 165815), (2551, 136240), (2620, 132652), (3406, 102040), (5102, 68120), (5240, 66326), (6812, 51020), (8515, 40816), (10204, 34060), (10480, 33163), (12755, 27248), (13624, 25510), (17030, 20408)]