388011250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{28219}}^1$

素因数の和:28252

約数の個数: 40

約数和(自身を含む): 793433520

約数和(自身を除く): 405422270

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 6875, 13750, 28219, 56438, 141095, 282190, 310409, 620818, 705475, 1410950, 1552045, 3104090, 3527375, 7054750, 7760225, 15520450, 17636875, 35273750, 38801125, 77602250, 194005625, 388011250]

約数ペア:

[(1, 388011250), (2, 194005625), (5, 77602250), (10, 38801125), (11, 35273750), (22, 17636875), (25, 15520450), (50, 7760225), (55, 7054750), (110, 3527375), (125, 3104090), (250, 1552045), (275, 1410950), (550, 705475), (625, 620818), (1250, 310409), (1375, 282190), (2750, 141095), (6875, 56438), (13750, 28219)]