199984890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3389}}^1$

素因数の和:3687

約数の個数: 64

約数和(自身を含む): 550644480

約数和(自身を除く): 350659590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 281, 562, 843, 1405, 1686, 1967, 2810, 3389, 3934, 4215, 5901, 6778, 8430, 9835, 10167, 11802, 16945, 19670, 20334, 23723, 29505, 33890, 47446, 50835, 59010, 71169, 101670, 118615, 142338, 237230, 355845, 711690, 952309, 1904618, 2856927, 4761545, 5713854, 6666163, 9523090, 13332326, 14284635, 19998489, 28569270, 33330815, 39996978, 66661630, 99992445, 199984890]

約数ペア:

[(1, 199984890), (2, 99992445), (3, 66661630), (5, 39996978), (6, 33330815), (7, 28569270), (10, 19998489), (14, 14284635), (15, 13332326), (21, 9523090), (30, 6666163), (35, 5713854), (42, 4761545), (70, 2856927), (105, 1904618), (210, 952309), (281, 711690), (562, 355845), (843, 237230), (1405, 142338), (1686, 118615), (1967, 101670), (2810, 71169), (3389, 59010), (3934, 50835), (4215, 47446), (5901, 33890), (6778, 29505), (8430, 23723), (9835, 20334), (10167, 19670), (11802, 16945)]