216944750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{78889}}^1$

素因数の和:78917

約数の個数: 32

約数和(自身を含む): 443046240

約数和(自身を除く): 226101490

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 78889, 157778, 394445, 788890, 867779, 1735558, 1972225, 3944450, 4338895, 8677790, 9861125, 19722250, 21694475, 43388950, 108472375, 216944750]

約数ペア:

[(1, 216944750), (2, 108472375), (5, 43388950), (10, 21694475), (11, 19722250), (22, 9861125), (25, 8677790), (50, 4338895), (55, 3944450), (110, 1972225), (125, 1735558), (250, 867779), (275, 788890), (550, 394445), (1375, 157778), (2750, 78889)]