1384236440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{306247}}^1$

素因数の和:306371

約数の個数: 32

約数和(自身を含む): 3142104480

約数和(自身を除く): 1757868040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 306247, 612494, 1224988, 1531235, 2449976, 3062470, 6124940, 12249880, 34605911, 69211822, 138423644, 173029555, 276847288, 346059110, 692118220, 1384236440]

約数ペア:

[(1, 1384236440), (2, 692118220), (4, 346059110), (5, 276847288), (8, 173029555), (10, 138423644), (20, 69211822), (40, 34605911), (113, 12249880), (226, 6124940), (452, 3062470), (565, 2449976), (904, 1531235), (1130, 1224988), (2260, 612494), (4520, 306247)]