68576980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 154069776

約数和(自身を除く): 85492796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 1997, 2020, 3434, 3994, 6868, 7988, 8585, 9985, 17170, 19970, 33949, 34340, 39940, 67898, 135796, 169745, 201697, 339490, 403394, 678980, 806788, 1008485, 2016970, 3428849, 4033940, 6857698, 13715396, 17144245, 34288490, 68576980]

約数ペア:

[(1, 68576980), (2, 34288490), (4, 17144245), (5, 13715396), (10, 6857698), (17, 4033940), (20, 3428849), (34, 2016970), (68, 1008485), (85, 806788), (101, 678980), (170, 403394), (202, 339490), (340, 201697), (404, 169745), (505, 135796), (1010, 67898), (1717, 39940), (1997, 34340), (2020, 33949), (3434, 19970), (3994, 17170), (6868, 9985), (7988, 8585)]