218826640

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{3557}}^1$

素因数の和:4339

約数の個数: 40

約数和(自身を含む): 509576760

約数和(自身を除く): 290750120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 3076, 3557, 3845, 6152, 7114, 7690, 12304, 14228, 15380, 17785, 28456, 30760, 35570, 56912, 61520, 71140, 142280, 284560, 2735333, 5470666, 10941332, 13676665, 21882664, 27353330, 43765328, 54706660, 109413320, 218826640]

約数ペア:

[(1, 218826640), (2, 109413320), (4, 54706660), (5, 43765328), (8, 27353330), (10, 21882664), (16, 13676665), (20, 10941332), (40, 5470666), (80, 2735333), (769, 284560), (1538, 142280), (3076, 71140), (3557, 61520), (3845, 56912), (6152, 35570), (7114, 30760), (7690, 28456), (12304, 17785), (14228, 15380)]