75640460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 182118720

約数和(自身を除く): 106478260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1321, 1636, 2045, 2642, 2863, 4090, 5284, 5726, 6605, 8180, 9247, 11452, 13210, 14315, 18494, 26420, 28630, 36988, 46235, 57260, 92470, 184940, 540289, 1080578, 2161156, 2701445, 3782023, 5402890, 7564046, 10805780, 15128092, 18910115, 37820230, 75640460]

約数ペア:

[(1, 75640460), (2, 37820230), (4, 18910115), (5, 15128092), (7, 10805780), (10, 7564046), (14, 5402890), (20, 3782023), (28, 2701445), (35, 2161156), (70, 1080578), (140, 540289), (409, 184940), (818, 92470), (1321, 57260), (1636, 46235), (2045, 36988), (2642, 28630), (2863, 26420), (4090, 18494), (5284, 14315), (5726, 13210), (6605, 11452), (8180, 9247)]