340907440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 819152928

約数和(自身を除く): 478245488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 430, 452, 565, 688, 860, 877, 904, 1130, 1720, 1754, 1808, 2260, 3440, 3508, 4385, 4520, 4859, 7016, 8770, 9040, 9718, 14032, 17540, 19436, 24295, 35080, 37711, 38872, 48590, 70160, 75422, 77744, 97180, 99101, 150844, 188555, 194360, 198202, 301688, 377110, 388720, 396404, 495505, 603376, 754220, 792808, 991010, 1508440, 1585616, 1982020, 3016880, 3964040, 4261343, 7928080, 8522686, 17045372, 21306715, 34090744, 42613430, 68181488, 85226860, 170453720, 340907440]

約数ペア:

[(1, 340907440), (2, 170453720), (4, 85226860), (5, 68181488), (8, 42613430), (10, 34090744), (16, 21306715), (20, 17045372), (40, 8522686), (43, 7928080), (80, 4261343), (86, 3964040), (113, 3016880), (172, 1982020), (215, 1585616), (226, 1508440), (344, 991010), (430, 792808), (452, 754220), (565, 603376), (688, 495505), (860, 396404), (877, 388720), (904, 377110), (1130, 301688), (1720, 198202), (1754, 194360), (1808, 188555), (2260, 150844), (3440, 99101), (3508, 97180), (4385, 77744), (4520, 75422), (4859, 70160), (7016, 48590), (8770, 38872), (9040, 37711), (9718, 35080), (14032, 24295), (17540, 19436)]