126551420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 274252608

約数和(自身を除く): 147701188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 983, 1570, 1966, 3140, 3932, 4915, 6437, 9830, 12874, 19660, 25748, 32185, 40303, 64370, 80606, 128740, 154331, 161212, 201515, 308662, 403030, 617324, 771655, 806060, 1543310, 3086620, 6327571, 12655142, 25310284, 31637855, 63275710, 126551420]

約数ペア:

[(1, 126551420), (2, 63275710), (4, 31637855), (5, 25310284), (10, 12655142), (20, 6327571), (41, 3086620), (82, 1543310), (157, 806060), (164, 771655), (205, 617324), (314, 403030), (410, 308662), (628, 201515), (785, 161212), (820, 154331), (983, 128740), (1570, 80606), (1966, 64370), (3140, 40303), (3932, 32185), (4915, 25748), (6437, 19660), (9830, 12874)]