15729140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 37978752

約数和(自身を除く): 22249612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 397, 566, 794, 1132, 1415, 1588, 1981, 1985, 2779, 2830, 3962, 3970, 5558, 5660, 7924, 7940, 9905, 11116, 13895, 19810, 27790, 39620, 55580, 112351, 224702, 449404, 561755, 786457, 1123510, 1572914, 2247020, 3145828, 3932285, 7864570, 15729140]

約数ペア:

[(1, 15729140), (2, 7864570), (4, 3932285), (5, 3145828), (7, 2247020), (10, 1572914), (14, 1123510), (20, 786457), (28, 561755), (35, 449404), (70, 224702), (140, 112351), (283, 55580), (397, 39620), (566, 27790), (794, 19810), (1132, 13895), (1415, 11116), (1588, 9905), (1981, 7940), (1985, 7924), (2779, 5660), (2830, 5558), (3962, 3970)]