85181990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1229}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 159408000

約数和(自身を除く): 74226010

約数列:

[1, 2, 5, 10, 29, 58, 145, 239, 290, 478, 1195, 1229, 2390, 2458, 6145, 6931, 12290, 13862, 34655, 35641, 69310, 71282, 178205, 293731, 356410, 587462, 1468655, 2937310, 8518199, 17036398, 42590995, 85181990]

約数ペア:

[(1, 85181990), (2, 42590995), (5, 17036398), (10, 8518199), (29, 2937310), (58, 1468655), (145, 587462), (239, 356410), (290, 293731), (478, 178205), (1195, 71282), (1229, 69310), (2390, 35641), (2458, 34655), (6145, 13862), (6931, 12290)]