680150

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 24

約数和(自身を含む): 1291584

約数和(自身を除く): 611434

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 223, 305, 446, 610, 1115, 1525, 2230, 3050, 5575, 11150, 13603, 27206, 68015, 136030, 340075, 680150]

約数ペア:

[(1, 680150), (2, 340075), (5, 136030), (10, 68015), (25, 27206), (50, 13603), (61, 11150), (122, 5575), (223, 3050), (305, 2230), (446, 1525), (610, 1115)]