2490538760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{118147}}^1$

素因数の和:118206

約数の個数: 64

約数和(自身を含む): 6124792320

約数和(自身を除く): 3634253560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 118147, 236294, 472588, 590735, 945176, 1181470, 2008499, 2362940, 3662557, 4016998, 4725880, 7325114, 8033996, 10042495, 14650228, 16067992, 18312785, 20084990, 29300456, 36625570, 40169980, 62263469, 73251140, 80339960, 124526938, 146502280, 249053876, 311317345, 498107752, 622634690, 1245269380, 2490538760]

約数ペア:

[(1, 2490538760), (2, 1245269380), (4, 622634690), (5, 498107752), (8, 311317345), (10, 249053876), (17, 146502280), (20, 124526938), (31, 80339960), (34, 73251140), (40, 62263469), (62, 40169980), (68, 36625570), (85, 29300456), (124, 20084990), (136, 18312785), (155, 16067992), (170, 14650228), (248, 10042495), (310, 8033996), (340, 7325114), (527, 4725880), (620, 4016998), (680, 3662557), (1054, 2362940), (1240, 2008499), (2108, 1181470), (2635, 945176), (4216, 590735), (5270, 472588), (10540, 236294), (21080, 118147)]