1189960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 2721600

約数和(自身を除く): 1531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 419, 568, 710, 838, 1420, 1676, 2095, 2840, 3352, 4190, 8380, 16760, 29749, 59498, 118996, 148745, 237992, 297490, 594980, 1189960]

約数ペア:

[(1, 1189960), (2, 594980), (4, 297490), (5, 237992), (8, 148745), (10, 118996), (20, 59498), (40, 29749), (71, 16760), (142, 8380), (284, 4190), (355, 3352), (419, 2840), (568, 2095), (710, 1676), (838, 1420)]