2005649420

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1\times {\mathrm{1439}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 4247147520

約数和(自身を除く): 2241498100

約数列:

[1, 2, 4, 5, 10, 20, 227, 307, 454, 614, 908, 1135, 1228, 1439, 1535, 2270, 2878, 3070, 4540, 5756, 6140, 7195, 14390, 28780, 69689, 139378, 278756, 326653, 348445, 441773, 653306, 696890, 883546, 1306612, 1393780, 1633265, 1767092, 2208865, 3266530, 4417730, 6533060, 8835460, 100282471, 200564942, 401129884, 501412355, 1002824710, 2005649420]

約数ペア:

[(1, 2005649420), (2, 1002824710), (4, 501412355), (5, 401129884), (10, 200564942), (20, 100282471), (227, 8835460), (307, 6533060), (454, 4417730), (614, 3266530), (908, 2208865), (1135, 1767092), (1228, 1633265), (1439, 1393780), (1535, 1306612), (2270, 883546), (2878, 696890), (3070, 653306), (4540, 441773), (5756, 348445), (6140, 326653), (7195, 278756), (14390, 139378), (28780, 69689)]