287387598820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{13074959}}^1$

素因数の和:13075132

約数の個数: 48

約数和(自身を含む): 694123476480

約数和(自身を除く): 406735877660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 13074959, 26149918, 52299836, 65374795, 91524713, 130749590, 183049426, 261499180, 366098852, 457623565, 915247130, 1830494260, 2052768563, 4105537126, 8211074252, 10263842815, 14369379941, 20527685630, 28738759882, 41055371260, 57477519764, 71846899705, 143693799410, 287387598820]

約数ペア:

[(1, 287387598820), (2, 143693799410), (4, 71846899705), (5, 57477519764), (7, 41055371260), (10, 28738759882), (14, 20527685630), (20, 14369379941), (28, 10263842815), (35, 8211074252), (70, 4105537126), (140, 2052768563), (157, 1830494260), (314, 915247130), (628, 457623565), (785, 366098852), (1099, 261499180), (1570, 183049426), (2198, 130749590), (3140, 91524713), (4396, 65374795), (5495, 52299836), (10990, 26149918), (21980, 13074959)]