1809808130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{1213}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 3671136000

約数和(自身を除く): 1861327870

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 499, 598, 998, 1213, 1495, 2426, 2495, 2990, 4990, 6065, 6487, 11477, 12130, 12974, 15769, 22954, 27899, 31538, 32435, 55798, 57385, 64870, 78845, 114770, 139495, 149201, 157690, 278990, 298402, 362687, 605287, 725374, 746005, 1210574, 1492010, 1813435, 3026435, 3626870, 6052870, 7868731, 13921601, 15737462, 27843202, 39343655, 69608005, 78687310, 139216010, 180980813, 361961626, 904904065, 1809808130]

約数ペア:

[(1, 1809808130), (2, 904904065), (5, 361961626), (10, 180980813), (13, 139216010), (23, 78687310), (26, 69608005), (46, 39343655), (65, 27843202), (115, 15737462), (130, 13921601), (230, 7868731), (299, 6052870), (499, 3626870), (598, 3026435), (998, 1813435), (1213, 1492010), (1495, 1210574), (2426, 746005), (2495, 725374), (2990, 605287), (4990, 362687), (6065, 298402), (6487, 278990), (11477, 157690), (12130, 149201), (12974, 139495), (15769, 114770), (22954, 78845), (27899, 64870), (31538, 57385), (32435, 55798)]