899220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2141}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 2878848

約数和(自身を除く): 1979628

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, 2141, 4282, 6423, 8564, 10705, 12846, 14987, 21410, 25692, 29974, 32115, 42820, 44961, 59948, 64230, 74935, 89922, 128460, 149870, 179844, 224805, 299740, 449610, 899220]

約数ペア:

[(1, 899220), (2, 449610), (3, 299740), (4, 224805), (5, 179844), (6, 149870), (7, 128460), (10, 89922), (12, 74935), (14, 64230), (15, 59948), (20, 44961), (21, 42820), (28, 32115), (30, 29974), (35, 25692), (42, 21410), (60, 14987), (70, 12846), (84, 10705), (105, 8564), (140, 6423), (210, 4282), (420, 2141)]