2821910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 6377616

約数和(自身を除く): 3555706

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 443, 455, 490, 637, 886, 910, 1274, 2215, 3101, 3185, 4430, 5759, 6202, 6370, 11518, 15505, 21707, 28795, 31010, 40313, 43414, 57590, 80626, 108535, 201565, 217070, 282191, 403130, 564382, 1410955, 2821910]

約数ペア:

[(1, 2821910), (2, 1410955), (5, 564382), (7, 403130), (10, 282191), (13, 217070), (14, 201565), (26, 108535), (35, 80626), (49, 57590), (65, 43414), (70, 40313), (91, 31010), (98, 28795), (130, 21707), (182, 15505), (245, 11518), (443, 6370), (455, 6202), (490, 5759), (637, 4430), (886, 3185), (910, 3101), (1274, 2215)]