2159000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3232360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 127, 136, 170, 200, 250, 254, 340, 425, 500, 508, 635, 680, 850, 1000, 1016, 1270, 1700, 2125, 2159, 2540, 3175, 3400, 4250, 4318, 5080, 6350, 8500, 8636, 10795, 12700, 15875, 17000, 17272, 21590, 25400, 31750, 43180, 53975, 63500, 86360, 107950, 127000, 215900, 269875, 431800, 539750, 1079500, 2159000]

約数ペア:

[(1, 2159000), (2, 1079500), (4, 539750), (5, 431800), (8, 269875), (10, 215900), (17, 127000), (20, 107950), (25, 86360), (34, 63500), (40, 53975), (50, 43180), (68, 31750), (85, 25400), (100, 21590), (125, 17272), (127, 17000), (136, 15875), (170, 12700), (200, 10795), (250, 8636), (254, 8500), (340, 6350), (425, 5080), (500, 4318), (508, 4250), (635, 3400), (680, 3175), (850, 2540), (1000, 2159), (1016, 2125), (1270, 1700)]