1398180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3329}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 4475520

約数和(自身を除く): 3077340

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, 3329, 6658, 9987, 13316, 16645, 19974, 23303, 33290, 39948, 46606, 49935, 66580, 69909, 93212, 99870, 116515, 139818, 199740, 233030, 279636, 349545, 466060, 699090, 1398180]

約数ペア:

[(1, 1398180), (2, 699090), (3, 466060), (4, 349545), (5, 279636), (6, 233030), (7, 199740), (10, 139818), (12, 116515), (14, 99870), (15, 93212), (20, 69909), (21, 66580), (28, 49935), (30, 46606), (35, 39948), (42, 33290), (60, 23303), (70, 19974), (84, 16645), (105, 13316), (140, 9987), (210, 6658), (420, 3329)]