90899000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5385

約数の個数: 64

約数和(自身を含む): 225257760

約数和(自身を除く): 134358760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1700, 2125, 3400, 4250, 5347, 8500, 10694, 17000, 21388, 26735, 42776, 53470, 90899, 106940, 133675, 181798, 213880, 267350, 363596, 454495, 534700, 668375, 727192, 908990, 1069400, 1336750, 1817980, 2272475, 2673500, 3635960, 4544950, 5347000, 9089900, 11362375, 18179800, 22724750, 45449500, 90899000]

約数ペア:

[(1, 90899000), (2, 45449500), (4, 22724750), (5, 18179800), (8, 11362375), (10, 9089900), (17, 5347000), (20, 4544950), (25, 3635960), (34, 2673500), (40, 2272475), (50, 1817980), (68, 1336750), (85, 1069400), (100, 908990), (125, 727192), (136, 668375), (170, 534700), (200, 454495), (250, 363596), (340, 267350), (425, 213880), (500, 181798), (680, 133675), (850, 106940), (1000, 90899), (1700, 53470), (2125, 42776), (3400, 26735), (4250, 21388), (5347, 17000), (8500, 10694)]