171349420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9859}}^1$

素因数の和:9958

約数の個数: 48

約数和(自身を含む): 397555200

約数和(自身を除く): 226205780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 9859, 17380, 19718, 39436, 49295, 98590, 108449, 197180, 216898, 433796, 542245, 778861, 1084490, 1557722, 2168980, 3115444, 3894305, 7788610, 8567471, 15577220, 17134942, 34269884, 42837355, 85674710, 171349420]

約数ペア:

[(1, 171349420), (2, 85674710), (4, 42837355), (5, 34269884), (10, 17134942), (11, 15577220), (20, 8567471), (22, 7788610), (44, 3894305), (55, 3115444), (79, 2168980), (110, 1557722), (158, 1084490), (220, 778861), (316, 542245), (395, 433796), (790, 216898), (869, 197180), (1580, 108449), (1738, 98590), (3476, 49295), (4345, 39436), (8690, 19718), (9859, 17380)]