1338992020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1\times {\mathrm{1321}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 2865038400

約数和(自身を除く): 1526046380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 859, 1180, 1321, 1718, 2642, 3436, 4295, 5284, 6605, 8590, 13210, 17180, 26420, 50681, 77939, 101362, 155878, 202724, 253405, 311756, 389695, 506810, 779390, 1013620, 1134739, 1558780, 2269478, 4538956, 5673695, 11347390, 22694780, 66949601, 133899202, 267798404, 334748005, 669496010, 1338992020]

約数ペア:

[(1, 1338992020), (2, 669496010), (4, 334748005), (5, 267798404), (10, 133899202), (20, 66949601), (59, 22694780), (118, 11347390), (236, 5673695), (295, 4538956), (590, 2269478), (859, 1558780), (1180, 1134739), (1321, 1013620), (1718, 779390), (2642, 506810), (3436, 389695), (4295, 311756), (5284, 253405), (6605, 202724), (8590, 155878), (13210, 101362), (17180, 77939), (26420, 50681)]