2008092100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28403}}^1$

素因数の和:28525

約数の個数: 72

約数和(自身を含む): 5029553088

約数和(自身を除く): 3021460988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 2020, 2525, 2828, 3535, 5050, 7070, 10100, 14140, 17675, 28403, 35350, 56806, 70700, 113612, 142015, 198821, 284030, 397642, 568060, 710075, 795284, 994105, 1420150, 1988210, 2840300, 2868703, 3976420, 4970525, 5737406, 9941050, 11474812, 14343515, 19882100, 20080921, 28687030, 40161842, 57374060, 71717575, 80323684, 100404605, 143435150, 200809210, 286870300, 401618420, 502023025, 1004046050, 2008092100]

約数ペア:

[(1, 2008092100), (2, 1004046050), (4, 502023025), (5, 401618420), (7, 286870300), (10, 200809210), (14, 143435150), (20, 100404605), (25, 80323684), (28, 71717575), (35, 57374060), (50, 40161842), (70, 28687030), (100, 20080921), (101, 19882100), (140, 14343515), (175, 11474812), (202, 9941050), (350, 5737406), (404, 4970525), (505, 3976420), (700, 2868703), (707, 2840300), (1010, 1988210), (1414, 1420150), (2020, 994105), (2525, 795284), (2828, 710075), (3535, 568060), (5050, 397642), (7070, 284030), (10100, 198821), (14140, 142015), (17675, 113612), (28403, 70700), (35350, 56806)]