81860950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 162378000

約数和(自身を除く): 80517050

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 193, 386, 425, 499, 850, 965, 998, 1930, 2495, 3281, 4825, 4990, 6562, 8483, 9650, 12475, 16405, 16966, 24950, 32810, 42415, 82025, 84830, 96307, 164050, 192614, 212075, 424150, 481535, 963070, 1637219, 2407675, 3274438, 4815350, 8186095, 16372190, 40930475, 81860950]

約数ペア:

[(1, 81860950), (2, 40930475), (5, 16372190), (10, 8186095), (17, 4815350), (25, 3274438), (34, 2407675), (50, 1637219), (85, 963070), (170, 481535), (193, 424150), (386, 212075), (425, 192614), (499, 164050), (850, 96307), (965, 84830), (998, 82025), (1930, 42415), (2495, 32810), (3281, 24950), (4825, 16966), (4990, 16405), (6562, 12475), (8483, 9650)]