149844920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{9781}}^1$

素因数の和:10175

約数の個数: 32

約数和(自身を含む): 338065920

約数和(自身を除く): 188221000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 9781, 15320, 19562, 39124, 48905, 78248, 97810, 195620, 391240, 3746123, 7492246, 14984492, 18730615, 29968984, 37461230, 74922460, 149844920]

約数ペア:

[(1, 149844920), (2, 74922460), (4, 37461230), (5, 29968984), (8, 18730615), (10, 14984492), (20, 7492246), (40, 3746123), (383, 391240), (766, 195620), (1532, 97810), (1915, 78248), (3064, 48905), (3830, 39124), (7660, 19562), (9781, 15320)]