31480690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 58164480

約数和(自身を除く): 26683790

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 439, 505, 710, 878, 1010, 2195, 4390, 7171, 14342, 31169, 35855, 44339, 62338, 71710, 88678, 155845, 221695, 311690, 443390, 3148069, 6296138, 15740345, 31480690]

約数ペア:

[(1, 31480690), (2, 15740345), (5, 6296138), (10, 3148069), (71, 443390), (101, 311690), (142, 221695), (202, 155845), (355, 88678), (439, 71710), (505, 62338), (710, 44339), (878, 35855), (1010, 31169), (2195, 14342), (4390, 7171)]