198981240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3323}}^1$

素因数の和:3836

約数の個数: 64

約数和(自身を含む): 598320000

約数和(自身を除く): 399338760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1497, 1996, 2495, 2994, 3323, 3992, 4990, 5988, 6646, 7485, 9969, 9980, 11976, 13292, 14970, 16615, 19938, 19960, 26584, 29940, 33230, 39876, 49845, 59880, 66460, 79752, 99690, 132920, 199380, 398760, 1658177, 3316354, 4974531, 6632708, 8290885, 9949062, 13265416, 16581770, 19898124, 24872655, 33163540, 39796248, 49745310, 66327080, 99490620, 198981240]

約数ペア:

[(1, 198981240), (2, 99490620), (3, 66327080), (4, 49745310), (5, 39796248), (6, 33163540), (8, 24872655), (10, 19898124), (12, 16581770), (15, 13265416), (20, 9949062), (24, 8290885), (30, 6632708), (40, 4974531), (60, 3316354), (120, 1658177), (499, 398760), (998, 199380), (1497, 132920), (1996, 99690), (2495, 79752), (2994, 66460), (3323, 59880), (3992, 49845), (4990, 39876), (5988, 33230), (6646, 29940), (7485, 26584), (9969, 19960), (9980, 19938), (11976, 16615), (13292, 14970)]