7958090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 16929000

約数和(自身を除く): 8970910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 149, 218, 245, 298, 490, 545, 745, 763, 1043, 1090, 1490, 1526, 2086, 3815, 5215, 5341, 7301, 7630, 10430, 10682, 14602, 16241, 26705, 32482, 36505, 53410, 73010, 81205, 113687, 162410, 227374, 568435, 795809, 1136870, 1591618, 3979045, 7958090]

約数ペア:

[(1, 7958090), (2, 3979045), (5, 1591618), (7, 1136870), (10, 795809), (14, 568435), (35, 227374), (49, 162410), (70, 113687), (98, 81205), (109, 73010), (149, 53410), (218, 36505), (245, 32482), (298, 26705), (490, 16241), (545, 14602), (745, 10682), (763, 10430), (1043, 7630), (1090, 7301), (1490, 5341), (1526, 5215), (2086, 3815)]