215368580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5323}}^1$

素因数の和:5373

約数の個数: 72

約数和(自身を含む): 549181248

約数和(自身を除く): 333812668

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2380, 2890, 4046, 5323, 5780, 8092, 10115, 10646, 20230, 21292, 26615, 37261, 40460, 53230, 74522, 90491, 106460, 149044, 180982, 186305, 361964, 372610, 452455, 633437, 745220, 904910, 1266874, 1538347, 1809820, 2533748, 3076694, 3167185, 6153388, 6334370, 7691735, 10768429, 12668740, 15383470, 21536858, 30766940, 43073716, 53842145, 107684290, 215368580]

約数ペア:

[(1, 215368580), (2, 107684290), (4, 53842145), (5, 43073716), (7, 30766940), (10, 21536858), (14, 15383470), (17, 12668740), (20, 10768429), (28, 7691735), (34, 6334370), (35, 6153388), (68, 3167185), (70, 3076694), (85, 2533748), (119, 1809820), (140, 1538347), (170, 1266874), (238, 904910), (289, 745220), (340, 633437), (476, 452455), (578, 372610), (595, 361964), (1156, 186305), (1190, 180982), (1445, 149044), (2023, 106460), (2380, 90491), (2890, 74522), (4046, 53230), (5323, 40460), (5780, 37261), (8092, 26615), (10115, 21292), (10646, 20230)]