30500180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 66479616

約数和(自身を除く): 35979436

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 457, 470, 710, 914, 940, 1420, 1828, 2285, 3337, 4570, 6674, 9140, 13348, 16685, 21479, 32447, 33370, 42958, 64894, 66740, 85916, 107395, 129788, 162235, 214790, 324470, 429580, 648940, 1525009, 3050018, 6100036, 7625045, 15250090, 30500180]

約数ペア:

[(1, 30500180), (2, 15250090), (4, 7625045), (5, 6100036), (10, 3050018), (20, 1525009), (47, 648940), (71, 429580), (94, 324470), (142, 214790), (188, 162235), (235, 129788), (284, 107395), (355, 85916), (457, 66740), (470, 64894), (710, 42958), (914, 33370), (940, 32447), (1420, 21479), (1828, 16685), (2285, 13348), (3337, 9140), (4570, 6674)]