187121720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16187}}^1$

素因数の和:16232

約数の個数: 48

約数和(自身を含む): 447274440

約数和(自身を除く): 260152720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 16187, 32374, 64748, 80935, 129496, 161870, 275179, 323740, 550358, 647480, 1100716, 1375895, 2201432, 2751790, 4678043, 5503580, 9356086, 11007160, 18712172, 23390215, 37424344, 46780430, 93560860, 187121720]

約数ペア:

[(1, 187121720), (2, 93560860), (4, 46780430), (5, 37424344), (8, 23390215), (10, 18712172), (17, 11007160), (20, 9356086), (34, 5503580), (40, 4678043), (68, 2751790), (85, 2201432), (136, 1375895), (170, 1100716), (289, 647480), (340, 550358), (578, 323740), (680, 275179), (1156, 161870), (1445, 129496), (2312, 80935), (2890, 64748), (5780, 32374), (11560, 16187)]