390047420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{45673}}^1$

素因数の和:45750

約数の個数: 48

約数和(自身を含む): 951480768

約数和(自身を除く): 561433348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 45673, 91346, 182692, 228365, 319711, 456730, 639422, 913460, 1278844, 1598555, 2786053, 3197110, 5572106, 6394220, 11144212, 13930265, 19502371, 27860530, 39004742, 55721060, 78009484, 97511855, 195023710, 390047420]

約数ペア:

[(1, 390047420), (2, 195023710), (4, 97511855), (5, 78009484), (7, 55721060), (10, 39004742), (14, 27860530), (20, 19502371), (28, 13930265), (35, 11144212), (61, 6394220), (70, 5572106), (122, 3197110), (140, 2786053), (244, 1598555), (305, 1278844), (427, 913460), (610, 639422), (854, 456730), (1220, 319711), (1708, 228365), (2135, 182692), (4270, 91346), (8540, 45673)]