217412510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1579}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 457144560

約数和(自身を除く): 239732050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 281, 490, 562, 1405, 1579, 1967, 2810, 3158, 3934, 7895, 9835, 11053, 13769, 15790, 19670, 22106, 27538, 55265, 68845, 77371, 110530, 137690, 154742, 386855, 443699, 773710, 887398, 2218495, 3105893, 4436990, 6211786, 15529465, 21741251, 31058930, 43482502, 108706255, 217412510]

約数ペア:

[(1, 217412510), (2, 108706255), (5, 43482502), (7, 31058930), (10, 21741251), (14, 15529465), (35, 6211786), (49, 4436990), (70, 3105893), (98, 2218495), (245, 887398), (281, 773710), (490, 443699), (562, 386855), (1405, 154742), (1579, 137690), (1967, 110530), (2810, 77371), (3158, 68845), (3934, 55265), (7895, 27538), (9835, 22106), (11053, 19670), (13769, 15790)]