2872720

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 6751800

約数和(自身を除く): 3879080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 241, 298, 482, 596, 745, 964, 1192, 1205, 1490, 1928, 2384, 2410, 2980, 3856, 4820, 5960, 9640, 11920, 19280, 35909, 71818, 143636, 179545, 287272, 359090, 574544, 718180, 1436360, 2872720]

約数ペア:

[(1, 2872720), (2, 1436360), (4, 718180), (5, 574544), (8, 359090), (10, 287272), (16, 179545), (20, 143636), (40, 71818), (80, 35909), (149, 19280), (241, 11920), (298, 9640), (482, 5960), (596, 4820), (745, 3856), (964, 2980), (1192, 2410), (1205, 2384), (1490, 1928)]