144968360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18397}}^1$

素因数の和:18605

約数の個数: 32

約数和(自身を含む): 327852360

約数和(自身を除く): 182884000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 18397, 36794, 73588, 91985, 147176, 183970, 367940, 735880, 3624209, 7248418, 14496836, 18121045, 28993672, 36242090, 72484180, 144968360]

約数ペア:

[(1, 144968360), (2, 72484180), (4, 36242090), (5, 28993672), (8, 18121045), (10, 14496836), (20, 7248418), (40, 3624209), (197, 735880), (394, 367940), (788, 183970), (985, 147176), (1576, 91985), (1970, 73588), (3940, 36794), (7880, 18397)]