657013640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{1061}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 1503664560

約数和(自身を除く): 846650920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 137, 226, 274, 452, 548, 565, 685, 904, 1061, 1096, 1130, 1370, 2122, 2260, 2740, 4244, 4520, 5305, 5480, 8488, 10610, 15481, 21220, 30962, 42440, 61924, 77405, 119893, 123848, 145357, 154810, 239786, 290714, 309620, 479572, 581428, 599465, 619240, 726785, 959144, 1162856, 1198930, 1453570, 2397860, 2907140, 4795720, 5814280, 16425341, 32850682, 65701364, 82126705, 131402728, 164253410, 328506820, 657013640]

約数ペア:

[(1, 657013640), (2, 328506820), (4, 164253410), (5, 131402728), (8, 82126705), (10, 65701364), (20, 32850682), (40, 16425341), (113, 5814280), (137, 4795720), (226, 2907140), (274, 2397860), (452, 1453570), (548, 1198930), (565, 1162856), (685, 959144), (904, 726785), (1061, 619240), (1096, 599465), (1130, 581428), (1370, 479572), (2122, 309620), (2260, 290714), (2740, 239786), (4244, 154810), (4520, 145357), (5305, 123848), (5480, 119893), (8488, 77405), (10610, 61924), (15481, 42440), (21220, 30962)]