1888892200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{726497}}^1$

素因数の和:726526

約数の個数: 48

約数和(自身を含む): 4729501980

約数和(自身を除く): 2840609780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 726497, 1452994, 2905988, 3632485, 5811976, 7264970, 9444461, 14529940, 18162425, 18888922, 29059880, 36324850, 37777844, 47222305, 72649700, 75555688, 94444610, 145299400, 188889220, 236111525, 377778440, 472223050, 944446100, 1888892200]

約数ペア:

[(1, 1888892200), (2, 944446100), (4, 472223050), (5, 377778440), (8, 236111525), (10, 188889220), (13, 145299400), (20, 94444610), (25, 75555688), (26, 72649700), (40, 47222305), (50, 37777844), (52, 36324850), (65, 29059880), (100, 18888922), (104, 18162425), (130, 14529940), (200, 9444461), (260, 7264970), (325, 5811976), (520, 3632485), (650, 2905988), (1300, 1452994), (2600, 726497)]