204878220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{200861}}^1$

素因数の和:200890

約数の個数: 48

約数和(自身を含む): 607406688

約数和(自身を除く): 402528468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 200861, 401722, 602583, 803444, 1004305, 1205166, 2008610, 2410332, 3012915, 3414637, 4017220, 6025830, 6829274, 10243911, 12051660, 13658548, 17073185, 20487822, 34146370, 40975644, 51219555, 68292740, 102439110, 204878220]

約数ペア:

[(1, 204878220), (2, 102439110), (3, 68292740), (4, 51219555), (5, 40975644), (6, 34146370), (10, 20487822), (12, 17073185), (15, 13658548), (17, 12051660), (20, 10243911), (30, 6829274), (34, 6025830), (51, 4017220), (60, 3414637), (68, 3012915), (85, 2410332), (102, 2008610), (170, 1205166), (204, 1004305), (255, 803444), (340, 602583), (510, 401722), (1020, 200861)]