831435880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{51071}}^1$

素因数の和:51130

約数の個数: 64

約数和(自身を含む): 2095994880

約数和(自身を除く): 1264559000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 51071, 102142, 204284, 255355, 408568, 510710, 561781, 1021420, 1123562, 1889627, 2042840, 2247124, 2808905, 3779254, 4494248, 5617810, 7558508, 9448135, 11235620, 15117016, 18896270, 20785897, 22471240, 37792540, 41571794, 75585080, 83143588, 103929485, 166287176, 207858970, 415717940, 831435880]

約数ペア:

[(1, 831435880), (2, 415717940), (4, 207858970), (5, 166287176), (8, 103929485), (10, 83143588), (11, 75585080), (20, 41571794), (22, 37792540), (37, 22471240), (40, 20785897), (44, 18896270), (55, 15117016), (74, 11235620), (88, 9448135), (110, 7558508), (148, 5617810), (185, 4494248), (220, 3779254), (296, 2808905), (370, 2247124), (407, 2042840), (440, 1889627), (740, 1123562), (814, 1021420), (1480, 561781), (1628, 510710), (2035, 408568), (3256, 255355), (4070, 204284), (8140, 102142), (16280, 51071)]