2031500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2685940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 239, 250, 340, 425, 478, 500, 850, 956, 1195, 1700, 2125, 2390, 4063, 4250, 4780, 5975, 8126, 8500, 11950, 16252, 20315, 23900, 29875, 40630, 59750, 81260, 101575, 119500, 203150, 406300, 507875, 1015750, 2031500]

約数ペア:

[(1, 2031500), (2, 1015750), (4, 507875), (5, 406300), (10, 203150), (17, 119500), (20, 101575), (25, 81260), (34, 59750), (50, 40630), (68, 29875), (85, 23900), (100, 20315), (125, 16252), (170, 11950), (239, 8500), (250, 8126), (340, 5975), (425, 4780), (478, 4250), (500, 4063), (850, 2390), (956, 2125), (1195, 1700)]