1275697780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{222247}}^1$

素因数の和:222304

約数の個数: 48

約数和(自身を含む): 3136363776

約数和(自身を除く): 1860665996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 222247, 444494, 888988, 1111235, 1555729, 2222470, 3111458, 4444940, 6222916, 7778645, 9112127, 15557290, 18224254, 31114580, 36448508, 45560635, 63784889, 91121270, 127569778, 182242540, 255139556, 318924445, 637848890, 1275697780]

約数ペア:

[(1, 1275697780), (2, 637848890), (4, 318924445), (5, 255139556), (7, 182242540), (10, 127569778), (14, 91121270), (20, 63784889), (28, 45560635), (35, 36448508), (41, 31114580), (70, 18224254), (82, 15557290), (140, 9112127), (164, 7778645), (205, 6222916), (287, 4444940), (410, 3111458), (574, 2222470), (820, 1555729), (1148, 1111235), (1435, 888988), (2870, 444494), (5740, 222247)]