222495160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{51031}}^1$

素因数の和:51151

約数の個数: 32

約数和(自身を含む): 505216800

約数和(自身を除く): 282721640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 51031, 102062, 204124, 255155, 408248, 510310, 1020620, 2041240, 5562379, 11124758, 22249516, 27811895, 44499032, 55623790, 111247580, 222495160]

約数ペア:

[(1, 222495160), (2, 111247580), (4, 55623790), (5, 44499032), (8, 27811895), (10, 22249516), (20, 11124758), (40, 5562379), (109, 2041240), (218, 1020620), (436, 510310), (545, 408248), (872, 255155), (1090, 204124), (2180, 102062), (4360, 51031)]