28438140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3181}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 80186400

約数和(自身を除く): 51748260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2980, 3181, 4470, 6362, 8940, 9543, 12724, 15905, 19086, 31810, 38172, 47715, 63620, 95430, 190860, 473969, 947938, 1421907, 1895876, 2369845, 2843814, 4739690, 5687628, 7109535, 9479380, 14219070, 28438140]

約数ペア:

[(1, 28438140), (2, 14219070), (3, 9479380), (4, 7109535), (5, 5687628), (6, 4739690), (10, 2843814), (12, 2369845), (15, 1895876), (20, 1421907), (30, 947938), (60, 473969), (149, 190860), (298, 95430), (447, 63620), (596, 47715), (745, 38172), (894, 31810), (1490, 19086), (1788, 15905), (2235, 12724), (2980, 9543), (3181, 8940), (4470, 6362)]