904001680

素因数分解:

$2^4\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{7589}}^1$

素因数の和:9091

約数の個数: 40

約数和(自身を含む): 2103492600

約数和(自身を除く): 1199490920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1489, 2978, 5956, 7445, 7589, 11912, 14890, 15178, 23824, 29780, 30356, 37945, 59560, 60712, 75890, 119120, 121424, 151780, 303560, 607120, 11300021, 22600042, 45200084, 56500105, 90400168, 113000210, 180800336, 226000420, 452000840, 904001680]

約数ペア:

[(1, 904001680), (2, 452000840), (4, 226000420), (5, 180800336), (8, 113000210), (10, 90400168), (16, 56500105), (20, 45200084), (40, 22600042), (80, 11300021), (1489, 607120), (2978, 303560), (5956, 151780), (7445, 121424), (7589, 119120), (11912, 75890), (14890, 60712), (15178, 59560), (23824, 37945), (29780, 30356)]