1388702950

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{170393}}^1$

素因数の和:170568

約数の個数: 24

約数和(自身を含む): 2598849288

約数和(自身を除く): 1210146338

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 4075, 8150, 170393, 340786, 851965, 1703930, 4259825, 8519650, 27774059, 55548118, 138870295, 277740590, 694351475, 1388702950]

約数ペア:

[(1, 1388702950), (2, 694351475), (5, 277740590), (10, 138870295), (25, 55548118), (50, 27774059), (163, 8519650), (326, 4259825), (815, 1703930), (1630, 851965), (4075, 340786), (8150, 170393)]