78204070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4451}}^1$

素因数の和:4716

約数の個数: 32

約数和(自身を含む): 161554176

約数和(自身を除く): 83350106

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 4451, 8785, 8902, 17570, 22255, 31157, 44510, 62314, 155785, 311570, 1117201, 2234402, 5586005, 7820407, 11172010, 15640814, 39102035, 78204070]

約数ペア:

[(1, 78204070), (2, 39102035), (5, 15640814), (7, 11172010), (10, 7820407), (14, 5586005), (35, 2234402), (70, 1117201), (251, 311570), (502, 155785), (1255, 62314), (1757, 44510), (2510, 31157), (3514, 22255), (4451, 17570), (8785, 8902)]