87872890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7013}}^1$

素因数の和:7206

約数の個数: 32

約数和(自身を含む): 181802880

約数和(自身を除く): 93929990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265, 7013, 12530, 14026, 35065, 49091, 70130, 98182, 245455, 490910, 1255327, 2510654, 6276635, 8787289, 12553270, 17574578, 43936445, 87872890]

約数ペア:

[(1, 87872890), (2, 43936445), (5, 17574578), (7, 12553270), (10, 8787289), (14, 6276635), (35, 2510654), (70, 1255327), (179, 490910), (358, 245455), (895, 98182), (1253, 70130), (1790, 49091), (2506, 35065), (6265, 14026), (7013, 12530)]