69610810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 129890304

約数和(自身を除く): 60279494

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 431, 521, 862, 1042, 2155, 2605, 4310, 5210, 13361, 16151, 26722, 32302, 66805, 80755, 133610, 161510, 224551, 449102, 1122755, 2245510, 6961081, 13922162, 34805405, 69610810]

約数ペア:

[(1, 69610810), (2, 34805405), (5, 13922162), (10, 6961081), (31, 2245510), (62, 1122755), (155, 449102), (310, 224551), (431, 161510), (521, 133610), (862, 80755), (1042, 66805), (2155, 32302), (2605, 26722), (4310, 16151), (5210, 13361)]