2549390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2310610

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 149, 290, 295, 298, 590, 745, 1490, 1711, 3422, 4321, 8555, 8642, 8791, 17110, 17582, 21605, 43210, 43955, 87910, 254939, 509878, 1274695, 2549390]

約数ペア:

[(1, 2549390), (2, 1274695), (5, 509878), (10, 254939), (29, 87910), (58, 43955), (59, 43210), (118, 21605), (145, 17582), (149, 17110), (290, 8791), (295, 8642), (298, 8555), (590, 4321), (745, 3422), (1490, 1711)]