171368980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{450971}}^1$

素因数の和:450999

約数の個数: 24

約数和(自身を含む): 378816480

約数和(自身を除く): 207447500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 450971, 901942, 1803884, 2254855, 4509710, 8568449, 9019420, 17136898, 34273796, 42842245, 85684490, 171368980]

約数ペア:

[(1, 171368980), (2, 85684490), (4, 42842245), (5, 34273796), (10, 17136898), (19, 9019420), (20, 8568449), (38, 4509710), (76, 2254855), (95, 1803884), (190, 901942), (380, 450971)]