858607640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67289}}^1$

素因数の和:67340

約数の個数: 64

約数和(自身を含む): 2180196000

約数和(自身を除く): 1321588360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 67289, 134578, 269156, 336445, 538312, 672890, 740179, 1345780, 1480358, 1951381, 2691560, 2960716, 3700895, 3902762, 5921432, 7401790, 7805524, 9756905, 14803580, 15611048, 19513810, 21465191, 29607160, 39027620, 42930382, 78055240, 85860764, 107325955, 171721528, 214651910, 429303820, 858607640]

約数ペア:

[(1, 858607640), (2, 429303820), (4, 214651910), (5, 171721528), (8, 107325955), (10, 85860764), (11, 78055240), (20, 42930382), (22, 39027620), (29, 29607160), (40, 21465191), (44, 19513810), (55, 15611048), (58, 14803580), (88, 9756905), (110, 7805524), (116, 7401790), (145, 5921432), (220, 3902762), (232, 3700895), (290, 2960716), (319, 2691560), (440, 1951381), (580, 1480358), (638, 1345780), (1160, 740179), (1276, 672890), (1595, 538312), (2552, 336445), (3190, 269156), (6380, 134578), (12760, 67289)]