78645700

素因数分解:

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

素因数の和:701

約数の個数: 72

約数和(自身を含む): 196223552

約数和(自身を除く): 117577852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 283, 350, 397, 566, 700, 794, 1132, 1415, 1588, 1981, 1985, 2779, 2830, 3962, 3970, 5558, 5660, 7075, 7924, 7940, 9905, 9925, 11116, 13895, 14150, 19810, 19850, 27790, 28300, 39620, 39700, 49525, 55580, 69475, 99050, 112351, 138950, 198100, 224702, 277900, 449404, 561755, 786457, 1123510, 1572914, 2247020, 2808775, 3145828, 3932285, 5617550, 7864570, 11235100, 15729140, 19661425, 39322850, 78645700]

約数ペア:

[(1, 78645700), (2, 39322850), (4, 19661425), (5, 15729140), (7, 11235100), (10, 7864570), (14, 5617550), (20, 3932285), (25, 3145828), (28, 2808775), (35, 2247020), (50, 1572914), (70, 1123510), (100, 786457), (140, 561755), (175, 449404), (283, 277900), (350, 224702), (397, 198100), (566, 138950), (700, 112351), (794, 99050), (1132, 69475), (1415, 55580), (1588, 49525), (1981, 39700), (1985, 39620), (2779, 28300), (2830, 27790), (3962, 19850), (3970, 19810), (5558, 14150), (5660, 13895), (7075, 11116), (7924, 9925), (7940, 9905)]