7249820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21323}}^1$

素因数の和:21349

約数の個数: 24

約数和(自身を含む): 16120944

約数和(自身を除く): 8871124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21323, 42646, 85292, 106615, 213230, 362491, 426460, 724982, 1449964, 1812455, 3624910, 7249820]

約数ペア:

[(1, 7249820), (2, 3624910), (4, 1812455), (5, 1449964), (10, 724982), (17, 426460), (20, 362491), (34, 213230), (68, 106615), (85, 85292), (170, 42646), (340, 21323)]