18179800

素因数分解:

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

素因数の和:5380

約数の個数: 48

約数和(自身を含む): 44762760

約数和(自身を除く): 26582960

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, 5347, 10694, 21388, 26735, 42776, 53470, 90899, 106940, 133675, 181798, 213880, 267350, 363596, 454495, 534700, 727192, 908990, 1069400, 1817980, 2272475, 3635960, 4544950, 9089900, 18179800]

約数ペア:

[(1, 18179800), (2, 9089900), (4, 4544950), (5, 3635960), (8, 2272475), (10, 1817980), (17, 1069400), (20, 908990), (25, 727192), (34, 534700), (40, 454495), (50, 363596), (68, 267350), (85, 213880), (100, 181798), (136, 133675), (170, 106940), (200, 90899), (340, 53470), (425, 42776), (680, 26735), (850, 21388), (1700, 10694), (3400, 5347)]