138253490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5011}}^1$

素因数の和:5138

約数の個数: 32

約数和(自身を含む): 259822080

約数和(自身を除く): 121568590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5011, 5518, 10022, 13795, 25055, 27590, 50110, 155341, 310682, 445979, 776705, 891958, 1553410, 2229895, 4459790, 13825349, 27650698, 69126745, 138253490]

約数ペア:

[(1, 138253490), (2, 69126745), (5, 27650698), (10, 13825349), (31, 4459790), (62, 2229895), (89, 1553410), (155, 891958), (178, 776705), (310, 445979), (445, 310682), (890, 155341), (2759, 50110), (5011, 27590), (5518, 25055), (10022, 13795)]