344420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 766584

約数和(自身を除く): 422164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1013, 2026, 4052, 5065, 10130, 17221, 20260, 34442, 68884, 86105, 172210, 344420]

約数ペア:

[(1, 344420), (2, 172210), (4, 86105), (5, 68884), (10, 34442), (17, 20260), (20, 17221), (34, 10130), (68, 5065), (85, 4052), (170, 2026), (340, 1013)]