380415620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{3881}}^1$

素因数の和:3945

約数の個数: 72

約数和(自身を含む): 895111560

約数和(自身を除く): 514695940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 754, 845, 1508, 1690, 1885, 3380, 3770, 3881, 4901, 7540, 7762, 9802, 15524, 19405, 19604, 24505, 38810, 49010, 50453, 77620, 98020, 100906, 112549, 201812, 225098, 252265, 450196, 504530, 562745, 655889, 1009060, 1125490, 1311778, 1463137, 2250980, 2623556, 2926274, 3279445, 5852548, 6558890, 7315685, 13117780, 14631370, 19020781, 29262740, 38041562, 76083124, 95103905, 190207810, 380415620]

約数ペア:

[(1, 380415620), (2, 190207810), (4, 95103905), (5, 76083124), (10, 38041562), (13, 29262740), (20, 19020781), (26, 14631370), (29, 13117780), (52, 7315685), (58, 6558890), (65, 5852548), (116, 3279445), (130, 2926274), (145, 2623556), (169, 2250980), (260, 1463137), (290, 1311778), (338, 1125490), (377, 1009060), (580, 655889), (676, 562745), (754, 504530), (845, 450196), (1508, 252265), (1690, 225098), (1885, 201812), (3380, 112549), (3770, 100906), (3881, 98020), (4901, 77620), (7540, 50453), (7762, 49010), (9802, 38810), (15524, 24505), (19405, 19604)]