3898050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 10416000

約数和(自身を除く): 6517950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 1999, 3998, 5997, 9995, 11994, 19990, 25987, 29985, 49975, 51974, 59970, 77961, 99950, 129935, 149925, 155922, 259870, 299850, 389805, 649675, 779610, 1299350, 1949025, 3898050]

約数ペア:

[(1, 3898050), (2, 1949025), (3, 1299350), (5, 779610), (6, 649675), (10, 389805), (13, 299850), (15, 259870), (25, 155922), (26, 149925), (30, 129935), (39, 99950), (50, 77961), (65, 59970), (75, 51974), (78, 49975), (130, 29985), (150, 25987), (195, 19990), (325, 11994), (390, 9995), (650, 5997), (975, 3998), (1950, 1999)]