282611240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 649451520

約数和(自身を除く): 366840280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 191, 284, 355, 382, 521, 568, 710, 764, 955, 1042, 1420, 1528, 1910, 2084, 2605, 2840, 3820, 4168, 5210, 7640, 10420, 13561, 20840, 27122, 36991, 54244, 67805, 73982, 99511, 108488, 135610, 147964, 184955, 199022, 271220, 295928, 369910, 398044, 497555, 542440, 739820, 796088, 995110, 1479640, 1990220, 3980440, 7065281, 14130562, 28261124, 35326405, 56522248, 70652810, 141305620, 282611240]

約数ペア:

[(1, 282611240), (2, 141305620), (4, 70652810), (5, 56522248), (8, 35326405), (10, 28261124), (20, 14130562), (40, 7065281), (71, 3980440), (142, 1990220), (191, 1479640), (284, 995110), (355, 796088), (382, 739820), (521, 542440), (568, 497555), (710, 398044), (764, 369910), (955, 295928), (1042, 271220), (1420, 199022), (1528, 184955), (1910, 147964), (2084, 135610), (2605, 108488), (2840, 99511), (3820, 73982), (4168, 67805), (5210, 54244), (7640, 36991), (10420, 27122), (13561, 20840)]