1234376840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{172399}}^1$

素因数の和:172589

約数の個数: 32

約数和(自身を含む): 2792880000

約数和(自身を除く): 1558503160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 172399, 344798, 689596, 861995, 1379192, 1723990, 3447980, 6895960, 30859421, 61718842, 123437684, 154297105, 246875368, 308594210, 617188420, 1234376840]

約数ペア:

[(1, 1234376840), (2, 617188420), (4, 308594210), (5, 246875368), (8, 154297105), (10, 123437684), (20, 61718842), (40, 30859421), (179, 6895960), (358, 3447980), (716, 1723990), (895, 1379192), (1432, 861995), (1790, 689596), (3580, 344798), (7160, 172399)]