7489580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 18290496

約数和(自身を除く): 10800916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 877, 1220, 1708, 1754, 2135, 3508, 4270, 4385, 6139, 8540, 8770, 12278, 17540, 24556, 30695, 53497, 61390, 106994, 122780, 213988, 267485, 374479, 534970, 748958, 1069940, 1497916, 1872395, 3744790, 7489580]

約数ペア:

[(1, 7489580), (2, 3744790), (4, 1872395), (5, 1497916), (7, 1069940), (10, 748958), (14, 534970), (20, 374479), (28, 267485), (35, 213988), (61, 122780), (70, 106994), (122, 61390), (140, 53497), (244, 30695), (305, 24556), (427, 17540), (610, 12278), (854, 8770), (877, 8540), (1220, 6139), (1708, 4385), (1754, 4270), (2135, 3508)]