890995130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{20347}}^1$

素因数の和:20534

約数の個数: 32

約数和(自身を含む): 1670163840

約数和(自身を除く): 779168710

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 755, 1510, 4379, 8758, 20347, 21895, 40694, 43790, 101735, 203470, 590063, 1180126, 2950315, 3072397, 5900630, 6144794, 15361985, 30723970, 89099513, 178199026, 445497565, 890995130]

約数ペア:

[(1, 890995130), (2, 445497565), (5, 178199026), (10, 89099513), (29, 30723970), (58, 15361985), (145, 6144794), (151, 5900630), (290, 3072397), (302, 2950315), (755, 1180126), (1510, 590063), (4379, 203470), (8758, 101735), (20347, 43790), (21895, 40694)]