180876670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2857}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 351465408

約数和(自身を除く): 170588738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2435, 2857, 4870, 5714, 6331, 12662, 14285, 28570, 31655, 37141, 63310, 74282, 185705, 371410, 1391359, 2782718, 6956795, 13913590, 18087667, 36175334, 90438335, 180876670]

約数ペア:

[(1, 180876670), (2, 90438335), (5, 36175334), (10, 18087667), (13, 13913590), (26, 6956795), (65, 2782718), (130, 1391359), (487, 371410), (974, 185705), (2435, 74282), (2857, 63310), (4870, 37141), (5714, 31655), (6331, 28570), (12662, 14285)]