1390364450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{351991}}^1$

素因数の和:352082

約数の個数: 24

約数和(自身を含む): 2618820480

約数和(自身を除く): 1228456030

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 351991, 703982, 1759955, 3519910, 8799775, 17599550, 27807289, 55614578, 139036445, 278072890, 695182225, 1390364450]

約数ペア:

[(1, 1390364450), (2, 695182225), (5, 278072890), (10, 139036445), (25, 55614578), (50, 27807289), (79, 17599550), (158, 8799775), (395, 3519910), (790, 1759955), (1975, 703982), (3950, 351991)]