384737900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 873277440

約数和(自身を除く): 488539540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 310, 316, 395, 620, 775, 790, 1550, 1571, 1580, 1975, 2449, 3100, 3142, 3950, 4898, 6284, 7855, 7900, 9796, 12245, 15710, 24490, 31420, 39275, 48701, 48980, 61225, 78550, 97402, 122450, 124109, 157100, 194804, 243505, 244900, 248218, 487010, 496436, 620545, 974020, 1217525, 1241090, 2435050, 2482180, 3102725, 3847379, 4870100, 6205450, 7694758, 12410900, 15389516, 19236895, 38473790, 76947580, 96184475, 192368950, 384737900]

約数ペア:

[(1, 384737900), (2, 192368950), (4, 96184475), (5, 76947580), (10, 38473790), (20, 19236895), (25, 15389516), (31, 12410900), (50, 7694758), (62, 6205450), (79, 4870100), (100, 3847379), (124, 3102725), (155, 2482180), (158, 2435050), (310, 1241090), (316, 1217525), (395, 974020), (620, 620545), (775, 496436), (790, 487010), (1550, 248218), (1571, 244900), (1580, 243505), (1975, 194804), (2449, 157100), (3100, 124109), (3142, 122450), (3950, 97402), (4898, 78550), (6284, 61225), (7855, 48980), (7900, 48701), (9796, 39275), (12245, 31420), (15710, 24490)]