986052970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4148

約数の個数: 64

約数和(自身を含む): 2099520000

約数和(自身を除く): 1113467030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 343, 355, 490, 497, 686, 710, 994, 1715, 2485, 3430, 3479, 4049, 4970, 6958, 8098, 17395, 20245, 24353, 28343, 34790, 40490, 48706, 56686, 121765, 141715, 198401, 243530, 283430, 287479, 396802, 574958, 992005, 1388807, 1437395, 1984010, 2012353, 2777614, 2874790, 4024706, 6944035, 10061765, 13888070, 14086471, 20123530, 28172942, 70432355, 98605297, 140864710, 197210594, 493026485, 986052970]

約数ペア:

[(1, 986052970), (2, 493026485), (5, 197210594), (7, 140864710), (10, 98605297), (14, 70432355), (35, 28172942), (49, 20123530), (70, 14086471), (71, 13888070), (98, 10061765), (142, 6944035), (245, 4024706), (343, 2874790), (355, 2777614), (490, 2012353), (497, 1984010), (686, 1437395), (710, 1388807), (994, 992005), (1715, 574958), (2485, 396802), (3430, 287479), (3479, 283430), (4049, 243530), (4970, 198401), (6958, 141715), (8098, 121765), (17395, 56686), (20245, 48706), (24353, 40490), (28343, 34790)]