201793490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 406045440

約数和(自身を除く): 204251950

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 61, 95, 115, 122, 190, 230, 305, 437, 610, 757, 874, 1159, 1403, 1514, 2185, 2318, 2806, 3785, 4370, 5795, 7015, 7570, 11590, 14030, 14383, 17411, 26657, 28766, 34822, 46177, 53314, 71915, 87055, 92354, 133285, 143830, 174110, 230885, 266570, 330809, 461770, 661618, 877363, 1062071, 1654045, 1754726, 2124142, 3308090, 4386815, 5310355, 8773630, 10620710, 20179349, 40358698, 100896745, 201793490]

約数ペア:

[(1, 201793490), (2, 100896745), (5, 40358698), (10, 20179349), (19, 10620710), (23, 8773630), (38, 5310355), (46, 4386815), (61, 3308090), (95, 2124142), (115, 1754726), (122, 1654045), (190, 1062071), (230, 877363), (305, 661618), (437, 461770), (610, 330809), (757, 266570), (874, 230885), (1159, 174110), (1403, 143830), (1514, 133285), (2185, 92354), (2318, 87055), (2806, 71915), (3785, 53314), (4370, 46177), (5795, 34822), (7015, 28766), (7570, 26657), (11590, 17411), (14030, 14383)]