1380493990820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{318086173}}^1$

素因数の和:318086220

約数の個数: 48

約数和(自身を含む): 3420062542848

約数和(自身を除く): 2039568552028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 318086173, 636172346, 1272344692, 1590430865, 2226603211, 3180861730, 4453206422, 6361723460, 8906412844, 9860671363, 11133016055, 19721342726, 22266032110, 39442685452, 44532064220, 49303356815, 69024699541, 98606713630, 138049399082, 197213427260, 276098798164, 345123497705, 690246995410, 1380493990820]

約数ペア:

[(1, 1380493990820), (2, 690246995410), (4, 345123497705), (5, 276098798164), (7, 197213427260), (10, 138049399082), (14, 98606713630), (20, 69024699541), (28, 49303356815), (31, 44532064220), (35, 39442685452), (62, 22266032110), (70, 19721342726), (124, 11133016055), (140, 9860671363), (155, 8906412844), (217, 6361723460), (310, 4453206422), (434, 3180861730), (620, 2226603211), (868, 1590430865), (1085, 1272344692), (2170, 636172346), (4340, 318086173)]