11640440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5939}}^1$

素因数の和:5964

約数の個数: 48

約数和(自身を含む): 30472200

約数和(自身を除く): 18831760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5939, 11878, 23756, 29695, 41573, 47512, 59390, 83146, 118780, 166292, 207865, 237560, 291011, 332584, 415730, 582022, 831460, 1164044, 1455055, 1662920, 2328088, 2910110, 5820220, 11640440]

約数ペア:

[(1, 11640440), (2, 5820220), (4, 2910110), (5, 2328088), (7, 1662920), (8, 1455055), (10, 1164044), (14, 831460), (20, 582022), (28, 415730), (35, 332584), (40, 291011), (49, 237560), (56, 207865), (70, 166292), (98, 118780), (140, 83146), (196, 59390), (245, 47512), (280, 41573), (392, 29695), (490, 23756), (980, 11878), (1960, 5939)]