154900520

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{10111}}^1$

素因数の和:10505

約数の個数: 32

約数和(自身を含む): 349470720

約数和(自身を除く): 194570200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 10111, 15320, 20222, 40444, 50555, 80888, 101110, 202220, 404440, 3872513, 7745026, 15490052, 19362565, 30980104, 38725130, 77450260, 154900520]

約数ペア:

[(1, 154900520), (2, 77450260), (4, 38725130), (5, 30980104), (8, 19362565), (10, 15490052), (20, 7745026), (40, 3872513), (383, 404440), (766, 202220), (1532, 101110), (1915, 80888), (3064, 50555), (3830, 40444), (7660, 20222), (10111, 15320)]