996898360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{21881}}^1$

素因数の和:21976

約数の個数: 64

約数和(自身を含む): 2410521120

約数和(自身を除く): 1413622760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 2278, 2680, 4556, 5695, 9112, 11390, 21881, 22780, 43762, 45560, 87524, 109405, 175048, 218810, 371977, 437620, 743954, 875240, 1466027, 1487908, 1859885, 2932054, 2975816, 3719770, 5864108, 7330135, 7439540, 11728216, 14660270, 14879080, 24922459, 29320540, 49844918, 58641080, 99689836, 124612295, 199379672, 249224590, 498449180, 996898360]

約数ペア:

[(1, 996898360), (2, 498449180), (4, 249224590), (5, 199379672), (8, 124612295), (10, 99689836), (17, 58641080), (20, 49844918), (34, 29320540), (40, 24922459), (67, 14879080), (68, 14660270), (85, 11728216), (134, 7439540), (136, 7330135), (170, 5864108), (268, 3719770), (335, 2975816), (340, 2932054), (536, 1859885), (670, 1487908), (680, 1466027), (1139, 875240), (1340, 743954), (2278, 437620), (2680, 371977), (4556, 218810), (5695, 175048), (9112, 109405), (11390, 87524), (21881, 45560), (22780, 43762)]