2640050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 5922240

約数和(自身を除く): 3282190

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 397, 475, 665, 794, 950, 1330, 1985, 2779, 3325, 3970, 5558, 6650, 7543, 9925, 13895, 15086, 19850, 27790, 37715, 52801, 69475, 75430, 105602, 138950, 188575, 264005, 377150, 528010, 1320025, 2640050]

約数ペア:

[(1, 2640050), (2, 1320025), (5, 528010), (7, 377150), (10, 264005), (14, 188575), (19, 138950), (25, 105602), (35, 75430), (38, 69475), (50, 52801), (70, 37715), (95, 27790), (133, 19850), (175, 15086), (190, 13895), (266, 9925), (350, 7543), (397, 6650), (475, 5558), (665, 3970), (794, 3325), (950, 2779), (1330, 1985)]