157217140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 336091392

約数和(自身を除く): 178874252

約数列:

[1, 2, 4, 5, 10, 20, 103, 167, 206, 334, 412, 457, 515, 668, 835, 914, 1030, 1670, 1828, 2060, 2285, 3340, 4570, 9140, 17201, 34402, 47071, 68804, 76319, 86005, 94142, 152638, 172010, 188284, 235355, 305276, 344020, 381595, 470710, 763190, 941420, 1526380, 7860857, 15721714, 31443428, 39304285, 78608570, 157217140]

約数ペア:

[(1, 157217140), (2, 78608570), (4, 39304285), (5, 31443428), (10, 15721714), (20, 7860857), (103, 1526380), (167, 941420), (206, 763190), (334, 470710), (412, 381595), (457, 344020), (515, 305276), (668, 235355), (835, 188284), (914, 172010), (1030, 152638), (1670, 94142), (1828, 86005), (2060, 76319), (2285, 68804), (3340, 47071), (4570, 34402), (9140, 17201)]