2031260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3290980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1319, 1540, 2638, 5276, 6595, 9233, 13190, 14509, 18466, 26380, 29018, 36932, 46165, 58036, 72545, 92330, 101563, 145090, 184660, 203126, 290180, 406252, 507815, 1015630, 2031260]

約数ペア:

[(1, 2031260), (2, 1015630), (4, 507815), (5, 406252), (7, 290180), (10, 203126), (11, 184660), (14, 145090), (20, 101563), (22, 92330), (28, 72545), (35, 58036), (44, 46165), (55, 36932), (70, 29018), (77, 26380), (110, 18466), (140, 14509), (154, 13190), (220, 9233), (308, 6595), (385, 5276), (770, 2638), (1319, 1540)]