388650950

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{55921}}^1$

素因数の和:56072

約数の個数: 24

約数和(自身を含む): 728104440

約数和(自身を除く): 339453490

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 55921, 111842, 279605, 559210, 1398025, 2796050, 7773019, 15546038, 38865095, 77730190, 194325475, 388650950]

約数ペア:

[(1, 388650950), (2, 194325475), (5, 77730190), (10, 38865095), (25, 15546038), (50, 7773019), (139, 2796050), (278, 1398025), (695, 559210), (1390, 279605), (3475, 111842), (6950, 55921)]