688840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 1642680

約数和(自身を除く): 953840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1013, 2026, 4052, 5065, 8104, 10130, 17221, 20260, 34442, 40520, 68884, 86105, 137768, 172210, 344420, 688840]

約数ペア:

[(1, 688840), (2, 344420), (4, 172210), (5, 137768), (8, 86105), (10, 68884), (17, 40520), (20, 34442), (34, 20260), (40, 17221), (68, 10130), (85, 8104), (136, 5065), (170, 4052), (340, 2026), (680, 1013)]