819486920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2926739}}^1$

素因数の和:2926757

約数の個数: 32

約数和(自身を含む): 2107252800

約数和(自身を除く): 1287765880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2926739, 5853478, 11706956, 14633695, 20487173, 23413912, 29267390, 40974346, 58534780, 81948692, 102435865, 117069560, 163897384, 204871730, 409743460, 819486920]

約数ペア:

[(1, 819486920), (2, 409743460), (4, 204871730), (5, 163897384), (7, 117069560), (8, 102435865), (10, 81948692), (14, 58534780), (20, 40974346), (28, 29267390), (35, 23413912), (40, 20487173), (56, 14633695), (70, 11706956), (140, 5853478), (280, 2926739)]