287324740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20149}}^1$

素因数の和:20212

約数の個数: 48

約数和(自身を含む): 649958400

約数和(自身を除く): 362633660

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 14260, 20149, 40298, 80596, 100745, 201490, 402980, 463427, 624619, 926854, 1249238, 1853708, 2317135, 2498476, 3123095, 4634270, 6246190, 9268540, 12492380, 14366237, 28732474, 57464948, 71831185, 143662370, 287324740]

約数ペア:

[(1, 287324740), (2, 143662370), (4, 71831185), (5, 57464948), (10, 28732474), (20, 14366237), (23, 12492380), (31, 9268540), (46, 6246190), (62, 4634270), (92, 3123095), (115, 2498476), (124, 2317135), (155, 1853708), (230, 1249238), (310, 926854), (460, 624619), (620, 463427), (713, 402980), (1426, 201490), (2852, 100745), (3565, 80596), (7130, 40298), (14260, 20149)]