66743320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238369}}^1$

素因数の和:238387

約数の個数: 32

約数和(自身を含む): 171626400

約数和(自身を除く): 104883080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238369, 476738, 953476, 1191845, 1668583, 1906952, 2383690, 3337166, 4767380, 6674332, 8342915, 9534760, 13348664, 16685830, 33371660, 66743320]

約数ペア:

[(1, 66743320), (2, 33371660), (4, 16685830), (5, 13348664), (7, 9534760), (8, 8342915), (10, 6674332), (14, 4767380), (20, 3337166), (28, 2383690), (35, 1906952), (40, 1668583), (56, 1191845), (70, 953476), (140, 476738), (280, 238369)]