78228850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 167007168

約数和(自身を除く): 88778318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 397, 563, 794, 1126, 1985, 2779, 2815, 3941, 3970, 5558, 5630, 7882, 9925, 13895, 14075, 19705, 19850, 27790, 28150, 39410, 69475, 98525, 138950, 197050, 223511, 447022, 1117555, 1564577, 2235110, 3129154, 5587775, 7822885, 11175550, 15645770, 39114425, 78228850]

約数ペア:

[(1, 78228850), (2, 39114425), (5, 15645770), (7, 11175550), (10, 7822885), (14, 5587775), (25, 3129154), (35, 2235110), (50, 1564577), (70, 1117555), (175, 447022), (350, 223511), (397, 197050), (563, 138950), (794, 98525), (1126, 69475), (1985, 39410), (2779, 28150), (2815, 27790), (3941, 19850), (3970, 19705), (5558, 14075), (5630, 13895), (7882, 9925)]