247992080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{442843}}^1$

素因数の和:442863

約数の個数: 40

約数和(自身を含む): 658951872

約数和(自身を除く): 410959792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 442843, 885686, 1771372, 2214215, 3099901, 3542744, 4428430, 6199802, 7085488, 8856860, 12399604, 15499505, 17713720, 24799208, 30999010, 35427440, 49598416, 61998020, 123996040, 247992080]

約数ペア:

[(1, 247992080), (2, 123996040), (4, 61998020), (5, 49598416), (7, 35427440), (8, 30999010), (10, 24799208), (14, 17713720), (16, 15499505), (20, 12399604), (28, 8856860), (35, 7085488), (40, 6199802), (56, 4428430), (70, 3542744), (80, 3099901), (112, 2214215), (140, 1771372), (280, 885686), (560, 442843)]