394156920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{76387}}^1$

素因数の和:76444

約数の個数: 64

約数和(自身を含む): 1209985920

約数和(自身を除く): 815829000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 76387, 152774, 229161, 305548, 381935, 458322, 611096, 763870, 916644, 1145805, 1527740, 1833288, 2291610, 3055480, 3284641, 4583220, 6569282, 9166440, 9853923, 13138564, 16423205, 19707846, 26277128, 32846410, 39415692, 49269615, 65692820, 78831384, 98539230, 131385640, 197078460, 394156920]

約数ペア:

[(1, 394156920), (2, 197078460), (3, 131385640), (4, 98539230), (5, 78831384), (6, 65692820), (8, 49269615), (10, 39415692), (12, 32846410), (15, 26277128), (20, 19707846), (24, 16423205), (30, 13138564), (40, 9853923), (43, 9166440), (60, 6569282), (86, 4583220), (120, 3284641), (129, 3055480), (172, 2291610), (215, 1833288), (258, 1527740), (344, 1145805), (430, 916644), (516, 763870), (645, 611096), (860, 458322), (1032, 381935), (1290, 305548), (1720, 229161), (2580, 152774), (5160, 76387)]