201527860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1297}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 449429904

約数和(自身を除く): 247902044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 457, 914, 1297, 1828, 2285, 2594, 4570, 5188, 6485, 7769, 9140, 12970, 15538, 22049, 25940, 31076, 38845, 44098, 77690, 88196, 110245, 155380, 220490, 440980, 592729, 1185458, 2370916, 2963645, 5927290, 10076393, 11854580, 20152786, 40305572, 50381965, 100763930, 201527860]

約数ペア:

[(1, 201527860), (2, 100763930), (4, 50381965), (5, 40305572), (10, 20152786), (17, 11854580), (20, 10076393), (34, 5927290), (68, 2963645), (85, 2370916), (170, 1185458), (340, 592729), (457, 440980), (914, 220490), (1297, 155380), (1828, 110245), (2285, 88196), (2594, 77690), (4570, 44098), (5188, 38845), (6485, 31076), (7769, 25940), (9140, 22049), (12970, 15538)]