293301560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{67271}}^1$

素因数の和:67391

約数の個数: 32

約数和(自身を含む): 665992800

約数和(自身を除く): 372691240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 67271, 134542, 269084, 336355, 538168, 672710, 1345420, 2690840, 7332539, 14665078, 29330156, 36662695, 58660312, 73325390, 146650780, 293301560]

約数ペア:

[(1, 293301560), (2, 146650780), (4, 73325390), (5, 58660312), (8, 36662695), (10, 29330156), (20, 14665078), (40, 7332539), (109, 2690840), (218, 1345420), (436, 672710), (545, 538168), (872, 336355), (1090, 269084), (2180, 134542), (4360, 67271)]