27648950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 59219424

約数和(自身を除く): 31570474

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 350, 394, 401, 802, 985, 1379, 1970, 2005, 2758, 2807, 4010, 4925, 5614, 6895, 9850, 10025, 13790, 14035, 20050, 28070, 34475, 68950, 70175, 78997, 140350, 157994, 394985, 552979, 789970, 1105958, 1974925, 2764895, 3949850, 5529790, 13824475, 27648950]

約数ペア:

[(1, 27648950), (2, 13824475), (5, 5529790), (7, 3949850), (10, 2764895), (14, 1974925), (25, 1105958), (35, 789970), (50, 552979), (70, 394985), (175, 157994), (197, 140350), (350, 78997), (394, 70175), (401, 68950), (802, 34475), (985, 28070), (1379, 20050), (1970, 14035), (2005, 13790), (2758, 10025), (2807, 9850), (4010, 6895), (4925, 5614)]