208580450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2999}}^1$

素因数の和:3131

約数の個数: 48

約数和(自身を含む): 421848000

約数和(自身を除く): 213267550

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 325, 535, 650, 1070, 1391, 2675, 2782, 2999, 5350, 5998, 6955, 13910, 14995, 29990, 34775, 38987, 69550, 74975, 77974, 149950, 194935, 320893, 389870, 641786, 974675, 1604465, 1949350, 3208930, 4171609, 8022325, 8343218, 16044650, 20858045, 41716090, 104290225, 208580450]

約数ペア:

[(1, 208580450), (2, 104290225), (5, 41716090), (10, 20858045), (13, 16044650), (25, 8343218), (26, 8022325), (50, 4171609), (65, 3208930), (107, 1949350), (130, 1604465), (214, 974675), (325, 641786), (535, 389870), (650, 320893), (1070, 194935), (1391, 149950), (2675, 77974), (2782, 74975), (2999, 69550), (5350, 38987), (5998, 34775), (6955, 29990), (13910, 14995)]