889194620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283183}}^1$

素因数の和:283349

約数の個数: 24

約数和(自身を含む): 1879209024

約数和(自身を除く): 990014404

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 283183, 566366, 1132732, 1415915, 2831830, 5663660, 44459731, 88919462, 177838924, 222298655, 444597310, 889194620]

約数ペア:

[(1, 889194620), (2, 444597310), (4, 222298655), (5, 177838924), (10, 88919462), (20, 44459731), (157, 5663660), (314, 2831830), (628, 1415915), (785, 1132732), (1570, 566366), (3140, 283183)]