80349740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 173124000

約数和(自身を除く): 92774260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 236, 295, 298, 457, 590, 596, 745, 914, 1180, 1490, 1828, 2285, 2980, 4570, 8791, 9140, 17582, 26963, 35164, 43955, 53926, 68093, 87910, 107852, 134815, 136186, 175820, 269630, 272372, 340465, 539260, 680930, 1361860, 4017487, 8034974, 16069948, 20087435, 40174870, 80349740]

約数ペア:

[(1, 80349740), (2, 40174870), (4, 20087435), (5, 16069948), (10, 8034974), (20, 4017487), (59, 1361860), (118, 680930), (149, 539260), (236, 340465), (295, 272372), (298, 269630), (457, 175820), (590, 136186), (596, 134815), (745, 107852), (914, 87910), (1180, 68093), (1490, 53926), (1828, 43955), (2285, 35164), (2980, 26963), (4570, 17582), (8791, 9140)]