19900996850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{932131}}^1$

素因数の和:932211

約数の個数: 48

約数和(自身を含む): 42997384896

約数和(自身を除く): 23096388046

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1525, 2135, 3050, 4270, 10675, 21350, 932131, 1864262, 4660655, 6524917, 9321310, 13049834, 23303275, 32624585, 46606550, 56859991, 65249170, 113719982, 163122925, 284299955, 326245850, 398019937, 568599910, 796039874, 1421499775, 1990099685, 2842999550, 3980199370, 9950498425, 19900996850]

約数ペア:

[(1, 19900996850), (2, 9950498425), (5, 3980199370), (7, 2842999550), (10, 1990099685), (14, 1421499775), (25, 796039874), (35, 568599910), (50, 398019937), (61, 326245850), (70, 284299955), (122, 163122925), (175, 113719982), (305, 65249170), (350, 56859991), (427, 46606550), (610, 32624585), (854, 23303275), (1525, 13049834), (2135, 9321310), (3050, 6524917), (4270, 4660655), (10675, 1864262), (21350, 932131)]