223209320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{328249}}^1$

素因数の和:328277

約数の個数: 32

約数和(自身を含む): 531765000

約数和(自身を除く): 308555680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 328249, 656498, 1312996, 1641245, 2625992, 3282490, 5580233, 6564980, 11160466, 13129960, 22320932, 27901165, 44641864, 55802330, 111604660, 223209320]

約数ペア:

[(1, 223209320), (2, 111604660), (4, 55802330), (5, 44641864), (8, 27901165), (10, 22320932), (17, 13129960), (20, 11160466), (34, 6564980), (40, 5580233), (68, 3282490), (85, 2625992), (136, 1641245), (170, 1312996), (340, 656498), (680, 328249)]