1897980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 6074880

約数和(自身を除く): 4176900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4519, 9038, 13557, 18076, 22595, 27114, 31633, 45190, 54228, 63266, 67785, 90380, 94899, 126532, 135570, 158165, 189798, 271140, 316330, 379596, 474495, 632660, 948990, 1897980]

約数ペア:

[(1, 1897980), (2, 948990), (3, 632660), (4, 474495), (5, 379596), (6, 316330), (7, 271140), (10, 189798), (12, 158165), (14, 135570), (15, 126532), (20, 94899), (21, 90380), (28, 67785), (30, 63266), (35, 54228), (42, 45190), (60, 31633), (70, 27114), (84, 22595), (105, 18076), (140, 13557), (210, 9038), (420, 4519)]