3878901476740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1\times {\mathrm{2654273}}^1$

素因数の和:2655192

約数の個数: 48

約数和(自身を含む): 8247254001840

約数和(自身を除く): 4368352525100

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 821, 890, 1642, 1780, 3284, 4105, 8210, 16420, 73069, 146138, 292276, 365345, 730690, 1461380, 2654273, 5308546, 10617092, 13271365, 26542730, 53085460, 236230297, 472460594, 944921188, 1181151485, 2179158133, 2362302970, 4358316266, 4724605940, 8716632532, 10895790665, 21791581330, 43583162660, 193945073837, 387890147674, 775780295348, 969725369185, 1939450738370, 3878901476740]

約数ペア:

[(1, 3878901476740), (2, 1939450738370), (4, 969725369185), (5, 775780295348), (10, 387890147674), (20, 193945073837), (89, 43583162660), (178, 21791581330), (356, 10895790665), (445, 8716632532), (821, 4724605940), (890, 4358316266), (1642, 2362302970), (1780, 2179158133), (3284, 1181151485), (4105, 944921188), (8210, 472460594), (16420, 236230297), (73069, 53085460), (146138, 26542730), (292276, 13271365), (365345, 10617092), (730690, 5308546), (1461380, 2654273)]