210909820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56393}}^1$

素因数の和:56430

約数の個数: 48

約数和(自身を含む): 511606368

約数和(自身を除く): 300696548

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 56393, 112786, 225572, 281965, 563930, 620323, 958681, 1127860, 1240646, 1917362, 2481292, 3101615, 3834724, 4793405, 6203230, 9586810, 10545491, 12406460, 19173620, 21090982, 42181964, 52727455, 105454910, 210909820]

約数ペア:

[(1, 210909820), (2, 105454910), (4, 52727455), (5, 42181964), (10, 21090982), (11, 19173620), (17, 12406460), (20, 10545491), (22, 9586810), (34, 6203230), (44, 4793405), (55, 3834724), (68, 3101615), (85, 2481292), (110, 1917362), (170, 1240646), (187, 1127860), (220, 958681), (340, 620323), (374, 563930), (748, 281965), (935, 225572), (1870, 112786), (3740, 56393)]