1396840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 3214080

約数和(自身を除く): 1817240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 743, 940, 1486, 1880, 2972, 3715, 5944, 7430, 14860, 29720, 34921, 69842, 139684, 174605, 279368, 349210, 698420, 1396840]

約数ペア:

[(1, 1396840), (2, 698420), (4, 349210), (5, 279368), (8, 174605), (10, 139684), (20, 69842), (40, 34921), (47, 29720), (94, 14860), (188, 7430), (235, 5944), (376, 3715), (470, 2972), (743, 1880), (940, 1486)]