129757940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 96

約数和(自身を含む): 321076224

約数和(自身を除く): 191318284

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 620, 806, 884, 947, 1054, 1105, 1612, 1894, 2015, 2108, 2210, 2635, 3788, 4030, 4420, 4735, 5270, 6851, 8060, 9470, 10540, 12311, 13702, 16099, 18940, 24622, 27404, 29357, 32198, 34255, 49244, 58714, 61555, 64396, 68510, 80495, 117428, 123110, 137020, 146785, 160990, 209287, 246220, 293570, 321980, 381641, 418574, 499069, 587140, 763282, 837148, 998138, 1046435, 1526564, 1908205, 1996276, 2092870, 2495345, 3816410, 4185740, 4990690, 6487897, 7632820, 9981380, 12975794, 25951588, 32439485, 64878970, 129757940]

約数ペア:

[(1, 129757940), (2, 64878970), (4, 32439485), (5, 25951588), (10, 12975794), (13, 9981380), (17, 7632820), (20, 6487897), (26, 4990690), (31, 4185740), (34, 3816410), (52, 2495345), (62, 2092870), (65, 1996276), (68, 1908205), (85, 1526564), (124, 1046435), (130, 998138), (155, 837148), (170, 763282), (221, 587140), (260, 499069), (310, 418574), (340, 381641), (403, 321980), (442, 293570), (527, 246220), (620, 209287), (806, 160990), (884, 146785), (947, 137020), (1054, 123110), (1105, 117428), (1612, 80495), (1894, 68510), (2015, 64396), (2108, 61555), (2210, 58714), (2635, 49244), (3788, 34255), (4030, 32198), (4420, 29357), (4735, 27404), (5270, 24622), (6851, 18940), (8060, 16099), (9470, 13702), (10540, 12311)]