123240980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{21929}}^1$

素因数の和:22219

約数の個数: 24

約数和(自身を含む): 259738920

約数和(自身を除く): 136497940

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 21929, 43858, 87716, 109645, 219290, 438580, 6162049, 12324098, 24648196, 30810245, 61620490, 123240980]

約数ペア:

[(1, 123240980), (2, 61620490), (4, 30810245), (5, 24648196), (10, 12324098), (20, 6162049), (281, 438580), (562, 219290), (1124, 109645), (1405, 87716), (2810, 43858), (5620, 21929)]