1990660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 4878720

約数和(自身を除く): 2888060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 241, 295, 413, 482, 590, 826, 964, 1180, 1205, 1652, 1687, 2065, 2410, 3374, 4130, 4820, 6748, 8260, 8435, 14219, 16870, 28438, 33740, 56876, 71095, 99533, 142190, 199066, 284380, 398132, 497665, 995330, 1990660]

約数ペア:

[(1, 1990660), (2, 995330), (4, 497665), (5, 398132), (7, 284380), (10, 199066), (14, 142190), (20, 99533), (28, 71095), (35, 56876), (59, 33740), (70, 28438), (118, 16870), (140, 14219), (236, 8435), (241, 8260), (295, 6748), (413, 4820), (482, 4130), (590, 3374), (826, 2410), (964, 2065), (1180, 1687), (1205, 1652)]