158614910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5749}}^1$

素因数の和:5876

約数の個数: 32

約数和(自身を含む): 298080000

約数和(自身を除く): 139465090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 5749, 11498, 13795, 27590, 28745, 57490, 178219, 356438, 511661, 891095, 1023322, 1782190, 2558305, 5116610, 15861491, 31722982, 79307455, 158614910]

約数ペア:

[(1, 158614910), (2, 79307455), (5, 31722982), (10, 15861491), (31, 5116610), (62, 2558305), (89, 1782190), (155, 1023322), (178, 891095), (310, 511661), (445, 356438), (890, 178219), (2759, 57490), (5518, 28745), (5749, 27590), (11498, 13795)]