1982750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 4672512

約数和(自身を除く): 2689762

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 103, 110, 125, 154, 175, 206, 250, 275, 350, 385, 515, 550, 721, 770, 875, 1030, 1133, 1375, 1442, 1750, 1925, 2266, 2575, 2750, 3605, 3850, 5150, 5665, 7210, 7931, 9625, 11330, 12875, 15862, 18025, 19250, 25750, 28325, 36050, 39655, 56650, 79310, 90125, 141625, 180250, 198275, 283250, 396550, 991375, 1982750]

約数ペア:

[(1, 1982750), (2, 991375), (5, 396550), (7, 283250), (10, 198275), (11, 180250), (14, 141625), (22, 90125), (25, 79310), (35, 56650), (50, 39655), (55, 36050), (70, 28325), (77, 25750), (103, 19250), (110, 18025), (125, 15862), (154, 12875), (175, 11330), (206, 9625), (250, 7931), (275, 7210), (350, 5665), (385, 5150), (515, 3850), (550, 3605), (721, 2750), (770, 2575), (875, 2266), (1030, 1925), (1133, 1750), (1375, 1442)]