1798983760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3212471}}^1$

素因数の和:3212491

約数の個数: 40

約数和(自身を含む): 4780158336

約数和(自身を除く): 2981174576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3212471, 6424942, 12849884, 16062355, 22487297, 25699768, 32124710, 44974594, 51399536, 64249420, 89949188, 112436485, 128498840, 179898376, 224872970, 256997680, 359796752, 449745940, 899491880, 1798983760]

約数ペア:

[(1, 1798983760), (2, 899491880), (4, 449745940), (5, 359796752), (7, 256997680), (8, 224872970), (10, 179898376), (14, 128498840), (16, 112436485), (20, 89949188), (28, 64249420), (35, 51399536), (40, 44974594), (56, 32124710), (70, 25699768), (80, 22487297), (112, 16062355), (140, 12849884), (280, 6424942), (560, 3212471)]