313633820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 697683840

約数和(自身を除く): 384050020

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 229, 235, 310, 458, 470, 620, 916, 940, 1145, 1457, 2209, 2290, 2914, 4418, 4580, 5828, 7099, 7285, 8836, 10763, 11045, 14198, 14570, 21526, 22090, 28396, 29140, 35495, 43052, 44180, 53815, 68479, 70990, 107630, 136958, 141980, 215260, 273916, 333653, 342395, 505861, 667306, 684790, 1011722, 1334612, 1369580, 1668265, 2023444, 2529305, 3336530, 5058610, 6673060, 10117220, 15681691, 31363382, 62726764, 78408455, 156816910, 313633820]

約数ペア:

[(1, 313633820), (2, 156816910), (4, 78408455), (5, 62726764), (10, 31363382), (20, 15681691), (31, 10117220), (47, 6673060), (62, 5058610), (94, 3336530), (124, 2529305), (155, 2023444), (188, 1668265), (229, 1369580), (235, 1334612), (310, 1011722), (458, 684790), (470, 667306), (620, 505861), (916, 342395), (940, 333653), (1145, 273916), (1457, 215260), (2209, 141980), (2290, 136958), (2914, 107630), (4418, 70990), (4580, 68479), (5828, 53815), (7099, 44180), (7285, 43052), (8836, 35495), (10763, 29140), (11045, 28396), (14198, 22090), (14570, 21526)]