1788942680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2281}}^1\times {\mathrm{2801}}^1$

素因数の和:5100

約数の個数: 64

約数和(自身を含む): 4603798080

約数和(自身を除く): 2814855400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2281, 2801, 4562, 5602, 9124, 11204, 11405, 14005, 15967, 18248, 19607, 22408, 22810, 28010, 31934, 39214, 45620, 56020, 63868, 78428, 79835, 91240, 98035, 112040, 127736, 156856, 159670, 196070, 319340, 392140, 638680, 784280, 6389081, 12778162, 25556324, 31945405, 44723567, 51112648, 63890810, 89447134, 127781620, 178894268, 223617835, 255563240, 357788536, 447235670, 894471340, 1788942680]

約数ペア:

[(1, 1788942680), (2, 894471340), (4, 447235670), (5, 357788536), (7, 255563240), (8, 223617835), (10, 178894268), (14, 127781620), (20, 89447134), (28, 63890810), (35, 51112648), (40, 44723567), (56, 31945405), (70, 25556324), (140, 12778162), (280, 6389081), (2281, 784280), (2801, 638680), (4562, 392140), (5602, 319340), (9124, 196070), (11204, 159670), (11405, 156856), (14005, 127736), (15967, 112040), (18248, 98035), (19607, 91240), (22408, 79835), (22810, 78428), (28010, 63868), (31934, 56020), (39214, 45620)]