215900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 499968

約数和(自身を除く): 284068

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 127, 170, 254, 340, 425, 508, 635, 850, 1270, 1700, 2159, 2540, 3175, 4318, 6350, 8636, 10795, 12700, 21590, 43180, 53975, 107950, 215900]

約数ペア:

[(1, 215900), (2, 107950), (4, 53975), (5, 43180), (10, 21590), (17, 12700), (20, 10795), (25, 8636), (34, 6350), (50, 4318), (68, 3175), (85, 2540), (100, 2159), (127, 1700), (170, 1270), (254, 850), (340, 635), (425, 508)]