770999660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{1597}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 1642999680

約数和(自身を除く): 872000020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 239, 404, 478, 505, 956, 1010, 1195, 1597, 2020, 2390, 3194, 4780, 6388, 7985, 15970, 24139, 31940, 48278, 96556, 120695, 161297, 241390, 322594, 381683, 482780, 645188, 763366, 806485, 1526732, 1612970, 1908415, 3225940, 3816830, 7633660, 38549983, 77099966, 154199932, 192749915, 385499830, 770999660]

約数ペア:

[(1, 770999660), (2, 385499830), (4, 192749915), (5, 154199932), (10, 77099966), (20, 38549983), (101, 7633660), (202, 3816830), (239, 3225940), (404, 1908415), (478, 1612970), (505, 1526732), (956, 806485), (1010, 763366), (1195, 645188), (1597, 482780), (2020, 381683), (2390, 322594), (3194, 241390), (4780, 161297), (6388, 120695), (7985, 96556), (15970, 48278), (24139, 31940)]