997690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 1944000

約数和(自身を除く): 946310

約数列:

[1, 2, 5, 10, 19, 38, 59, 89, 95, 118, 178, 190, 295, 445, 590, 890, 1121, 1691, 2242, 3382, 5251, 5605, 8455, 10502, 11210, 16910, 26255, 52510, 99769, 199538, 498845, 997690]

約数ペア:

[(1, 997690), (2, 498845), (5, 199538), (10, 99769), (19, 52510), (38, 26255), (59, 16910), (89, 11210), (95, 10502), (118, 8455), (178, 5605), (190, 5251), (295, 3382), (445, 2242), (590, 1691), (890, 1121)]