169199420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 389034576

約数和(自身を除く): 219835156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 260, 338, 443, 452, 565, 676, 845, 886, 1130, 1469, 1690, 1772, 2215, 2260, 2938, 3380, 4430, 5759, 5876, 7345, 8860, 11518, 14690, 19097, 23036, 28795, 29380, 38194, 50059, 57590, 74867, 76388, 95485, 100118, 115180, 149734, 190970, 200236, 250295, 299468, 374335, 381940, 500590, 650767, 748670, 1001180, 1301534, 1497340, 2603068, 3253835, 6507670, 8459971, 13015340, 16919942, 33839884, 42299855, 84599710, 169199420]

約数ペア:

[(1, 169199420), (2, 84599710), (4, 42299855), (5, 33839884), (10, 16919942), (13, 13015340), (20, 8459971), (26, 6507670), (52, 3253835), (65, 2603068), (113, 1497340), (130, 1301534), (169, 1001180), (226, 748670), (260, 650767), (338, 500590), (443, 381940), (452, 374335), (565, 299468), (676, 250295), (845, 200236), (886, 190970), (1130, 149734), (1469, 115180), (1690, 100118), (1772, 95485), (2215, 76388), (2260, 74867), (2938, 57590), (3380, 50059), (4430, 38194), (5759, 29380), (5876, 28795), (7345, 23036), (8860, 19097), (11518, 14690)]