216681400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83339}}^1$

素因数の和:83368

約数の個数: 48

約数和(自身を含む): 542543400

約数和(自身を除く): 325862000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 83339, 166678, 333356, 416695, 666712, 833390, 1083407, 1666780, 2083475, 2166814, 3333560, 4166950, 4333628, 5417035, 8333900, 8667256, 10834070, 16667800, 21668140, 27085175, 43336280, 54170350, 108340700, 216681400]

約数ペア:

[(1, 216681400), (2, 108340700), (4, 54170350), (5, 43336280), (8, 27085175), (10, 21668140), (13, 16667800), (20, 10834070), (25, 8667256), (26, 8333900), (40, 5417035), (50, 4333628), (52, 4166950), (65, 3333560), (100, 2166814), (104, 2083475), (130, 1666780), (200, 1083407), (260, 833390), (325, 666712), (520, 416695), (650, 333356), (1300, 166678), (2600, 83339)]