51938420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 113778000

約数和(自身を除く): 61839580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 601, 745, 1202, 1490, 2404, 2980, 3005, 4321, 6010, 8642, 12020, 17284, 17429, 21605, 34858, 43210, 69716, 86420, 87145, 89549, 174290, 179098, 348580, 358196, 447745, 895490, 1790980, 2596921, 5193842, 10387684, 12984605, 25969210, 51938420]

約数ペア:

[(1, 51938420), (2, 25969210), (4, 12984605), (5, 10387684), (10, 5193842), (20, 2596921), (29, 1790980), (58, 895490), (116, 447745), (145, 358196), (149, 348580), (290, 179098), (298, 174290), (580, 89549), (596, 87145), (601, 86420), (745, 69716), (1202, 43210), (1490, 34858), (2404, 21605), (2980, 17429), (3005, 17284), (4321, 12020), (6010, 8642)]