1388895929560

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2551}}^1\times {\mathrm{56951}}^1$

素因数の和:59752

約数の個数: 64

約数和(自身を含む): 3139376486400

約数和(自身を除く): 1750480556840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2551, 4780, 5102, 9560, 10204, 12755, 20408, 25510, 51020, 56951, 102040, 113902, 227804, 284755, 455608, 569510, 609689, 1139020, 1219378, 2278040, 2438756, 3048445, 4877512, 6096890, 12193780, 13611289, 24387560, 27222578, 54445156, 68056445, 108890312, 136112890, 145282001, 272225780, 290564002, 544451560, 581128004, 726410005, 1162256008, 1452820010, 2905640020, 5811280040, 34722398239, 69444796478, 138889592956, 173611991195, 277779185912, 347223982390, 694447964780, 1388895929560]

約数ペア:

[(1, 1388895929560), (2, 694447964780), (4, 347223982390), (5, 277779185912), (8, 173611991195), (10, 138889592956), (20, 69444796478), (40, 34722398239), (239, 5811280040), (478, 2905640020), (956, 1452820010), (1195, 1162256008), (1912, 726410005), (2390, 581128004), (2551, 544451560), (4780, 290564002), (5102, 272225780), (9560, 145282001), (10204, 136112890), (12755, 108890312), (20408, 68056445), (25510, 54445156), (51020, 27222578), (56951, 24387560), (102040, 13611289), (113902, 12193780), (227804, 6096890), (284755, 4877512), (455608, 3048445), (569510, 2438756), (609689, 2278040), (1139020, 1219378)]