148905940

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{11579}}^1$

素因数の和:12231

約数の個数: 24

約数和(自身を含む): 313215840

約数和(自身を除く): 164309900

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 11579, 12860, 23158, 46316, 57895, 115790, 231580, 7445297, 14890594, 29781188, 37226485, 74452970, 148905940]

約数ペア:

[(1, 148905940), (2, 74452970), (4, 37226485), (5, 29781188), (10, 14890594), (20, 7445297), (643, 231580), (1286, 115790), (2572, 57895), (3215, 46316), (6430, 23158), (11579, 12860)]