263746380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4409}}^1$

素因数の和:5418

約数の個数: 48

約数和(自身を含む): 739398240

約数和(自身を除く): 475651860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1994, 2991, 3988, 4409, 4985, 5982, 8818, 9970, 11964, 13227, 14955, 17636, 19940, 22045, 26454, 29910, 44090, 52908, 59820, 66135, 88180, 132270, 264540, 4395773, 8791546, 13187319, 17583092, 21978865, 26374638, 43957730, 52749276, 65936595, 87915460, 131873190, 263746380]

約数ペア:

[(1, 263746380), (2, 131873190), (3, 87915460), (4, 65936595), (5, 52749276), (6, 43957730), (10, 26374638), (12, 21978865), (15, 17583092), (20, 13187319), (30, 8791546), (60, 4395773), (997, 264540), (1994, 132270), (2991, 88180), (3988, 66135), (4409, 59820), (4985, 52908), (5982, 44090), (8818, 29910), (9970, 26454), (11964, 22045), (13227, 19940), (14955, 17636)]