7280493920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{6500441}}^1$

素因数の和:6500463

約数の個数: 48

約数和(自身を含む): 19657336608

約数和(自身を除く): 12376842688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 6500441, 13000882, 26001764, 32502205, 45503087, 52003528, 65004410, 91006174, 104007056, 130008820, 182012348, 208014112, 227515435, 260017640, 364024696, 455030870, 520035280, 728049392, 910061740, 1040070560, 1456098784, 1820123480, 3640246960, 7280493920]

約数ペア:

[(1, 7280493920), (2, 3640246960), (4, 1820123480), (5, 1456098784), (7, 1040070560), (8, 910061740), (10, 728049392), (14, 520035280), (16, 455030870), (20, 364024696), (28, 260017640), (32, 227515435), (35, 208014112), (40, 182012348), (56, 130008820), (70, 104007056), (80, 91006174), (112, 65004410), (140, 52003528), (160, 45503087), (224, 32502205), (280, 26001764), (560, 13000882), (1120, 6500441)]