829917480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{987997}}^1$

素因数の和:988018

約数の個数: 64

約数和(自身を含む): 2845434240

約数和(自身を除く): 2015516760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 987997, 1975994, 2963991, 3951988, 4939985, 5927982, 6915979, 7903976, 9879970, 11855964, 13831958, 14819955, 19759940, 20747937, 23711928, 27663916, 29639910, 34579895, 39519880, 41495874, 55327832, 59279820, 69159790, 82991748, 103739685, 118559640, 138319580, 165983496, 207479370, 276639160, 414958740, 829917480]

約数ペア:

[(1, 829917480), (2, 414958740), (3, 276639160), (4, 207479370), (5, 165983496), (6, 138319580), (7, 118559640), (8, 103739685), (10, 82991748), (12, 69159790), (14, 59279820), (15, 55327832), (20, 41495874), (21, 39519880), (24, 34579895), (28, 29639910), (30, 27663916), (35, 23711928), (40, 20747937), (42, 19759940), (56, 14819955), (60, 13831958), (70, 11855964), (84, 9879970), (105, 7903976), (120, 6915979), (140, 5927982), (168, 4939985), (210, 3951988), (280, 2963991), (420, 1975994), (840, 987997)]