549400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1328040

約数和(自身を除く): 778640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 67, 82, 100, 134, 164, 200, 205, 268, 328, 335, 410, 536, 670, 820, 1025, 1340, 1640, 1675, 2050, 2680, 2747, 3350, 4100, 5494, 6700, 8200, 10988, 13400, 13735, 21976, 27470, 54940, 68675, 109880, 137350, 274700, 549400]

約数ペア:

[(1, 549400), (2, 274700), (4, 137350), (5, 109880), (8, 68675), (10, 54940), (20, 27470), (25, 21976), (40, 13735), (41, 13400), (50, 10988), (67, 8200), (82, 6700), (100, 5494), (134, 4100), (164, 3350), (200, 2747), (205, 2680), (268, 2050), (328, 1675), (335, 1640), (410, 1340), (536, 1025), (670, 820)]