19689400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5791}}^1$

素因数の和:5824

約数の個数: 48

約数和(自身を含む): 48479040

約数和(自身を除く): 28789640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5791, 11582, 23164, 28955, 46328, 57910, 98447, 115820, 144775, 196894, 231640, 289550, 393788, 492235, 579100, 787576, 984470, 1158200, 1968940, 2461175, 3937880, 4922350, 9844700, 19689400]

約数ペア:

[(1, 19689400), (2, 9844700), (4, 4922350), (5, 3937880), (8, 2461175), (10, 1968940), (17, 1158200), (20, 984470), (25, 787576), (34, 579100), (40, 492235), (50, 393788), (68, 289550), (85, 231640), (100, 196894), (136, 144775), (170, 115820), (200, 98447), (340, 57910), (425, 46328), (680, 28955), (850, 23164), (1700, 11582), (3400, 5791)]