2007171880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{231241}}^1$

素因数の和:231290

約数の個数: 64

約数和(自身を含む): 5327815680

約数和(自身を除く): 3320643800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 231241, 462482, 924964, 1156205, 1618687, 1849928, 2312410, 3237374, 4624820, 6474748, 7168471, 8093435, 9249640, 12949496, 14336942, 16186870, 28673884, 32373740, 35842355, 50179297, 57347768, 64747480, 71684710, 100358594, 143369420, 200717188, 250896485, 286738840, 401434376, 501792970, 1003585940, 2007171880]

約数ペア:

[(1, 2007171880), (2, 1003585940), (4, 501792970), (5, 401434376), (7, 286738840), (8, 250896485), (10, 200717188), (14, 143369420), (20, 100358594), (28, 71684710), (31, 64747480), (35, 57347768), (40, 50179297), (56, 35842355), (62, 32373740), (70, 28673884), (124, 16186870), (140, 14336942), (155, 12949496), (217, 9249640), (248, 8093435), (280, 7168471), (310, 6474748), (434, 4624820), (620, 3237374), (868, 2312410), (1085, 1849928), (1240, 1618687), (1736, 1156205), (2170, 924964), (4340, 462482), (8680, 231241)]