51257220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122041}}^1$

素因数の和:122060

約数の個数: 48

約数和(自身を含む): 164024448

約数和(自身を除く): 112767228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 122041, 244082, 366123, 488164, 610205, 732246, 854287, 1220410, 1464492, 1708574, 1830615, 2440820, 2562861, 3417148, 3661230, 4271435, 5125722, 7322460, 8542870, 10251444, 12814305, 17085740, 25628610, 51257220]

約数ペア:

[(1, 51257220), (2, 25628610), (3, 17085740), (4, 12814305), (5, 10251444), (6, 8542870), (7, 7322460), (10, 5125722), (12, 4271435), (14, 3661230), (15, 3417148), (20, 2562861), (21, 2440820), (28, 1830615), (30, 1708574), (35, 1464492), (42, 1220410), (60, 854287), (70, 732246), (84, 610205), (105, 488164), (140, 366123), (210, 244082), (420, 122041)]