270400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2$

素因数の和:48

約数の個数: 63

約数和(自身を含む): 720471

約数和(自身を除く): 450071

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 169, 200, 208, 260, 320, 325, 338, 400, 416, 520, 650, 676, 800, 832, 845, 1040, 1300, 1352, 1600, 1690, 2080, 2600, 2704, 3380, 4160, 4225, 5200, 5408, 6760, 8450, 10400, 10816, 13520, 16900, 20800, 27040, 33800, 54080, 67600, 135200, 270400]

約数ペア:

[(1, 270400), (2, 135200), (4, 67600), (5, 54080), (8, 33800), (10, 27040), (13, 20800), (16, 16900), (20, 13520), (25, 10816), (26, 10400), (32, 8450), (40, 6760), (50, 5408), (52, 5200), (64, 4225), (65, 4160), (80, 3380), (100, 2704), (104, 2600), (130, 2080), (160, 1690), (169, 1600), (200, 1352), (208, 1300), (260, 1040), (320, 845), (325, 832), (338, 800), (400, 676), (416, 650)]