28087990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2693}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 58190400

約数和(自身を除く): 30102410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 2693, 5215, 5386, 10430, 13465, 18851, 26930, 37702, 94255, 188510, 401257, 802514, 2006285, 2808799, 4012570, 5617598, 14043995, 28087990]

約数ペア:

[(1, 28087990), (2, 14043995), (5, 5617598), (7, 4012570), (10, 2808799), (14, 2006285), (35, 802514), (70, 401257), (149, 188510), (298, 94255), (745, 37702), (1043, 26930), (1490, 18851), (2086, 13465), (2693, 10430), (5215, 5386)]