351134780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{161071}}^1$

素因数の和:161189

約数の個数: 24

約数和(自身を含む): 744152640

約数和(自身を除く): 393017860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 161071, 322142, 644284, 805355, 1610710, 3221420, 17556739, 35113478, 70226956, 87783695, 175567390, 351134780]

約数ペア:

[(1, 351134780), (2, 175567390), (4, 87783695), (5, 70226956), (10, 35113478), (20, 17556739), (109, 3221420), (218, 1610710), (436, 805355), (545, 644284), (1090, 322142), (2180, 161071)]