8972558860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1388941}}^1$

素因数の和:1388986

約数の個数: 48

約数和(自身を含む): 21000803040

約数和(自身を除く): 12028244180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 1388941, 2777882, 5555764, 6944705, 13889410, 23611997, 26389879, 27778820, 47223994, 52779758, 94447988, 105559516, 118059985, 131949395, 236119970, 263898790, 448627943, 472239940, 527797580, 897255886, 1794511772, 2243139715, 4486279430, 8972558860]

約数ペア:

[(1, 8972558860), (2, 4486279430), (4, 2243139715), (5, 1794511772), (10, 897255886), (17, 527797580), (19, 472239940), (20, 448627943), (34, 263898790), (38, 236119970), (68, 131949395), (76, 118059985), (85, 105559516), (95, 94447988), (170, 52779758), (190, 47223994), (323, 27778820), (340, 26389879), (380, 23611997), (646, 13889410), (1292, 6944705), (1615, 5555764), (3230, 2777882), (6460, 1388941)]