49881020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2259

約数の個数: 72

約数和(自身を含む): 127207584

約数和(自身を除く): 77326564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2213, 2254, 3220, 4426, 4508, 5635, 8852, 11065, 11270, 15491, 22130, 22540, 30982, 44260, 50899, 61964, 77455, 101798, 108437, 154910, 203596, 216874, 254495, 309820, 356293, 433748, 508990, 542185, 712586, 1017980, 1084370, 1425172, 1781465, 2168740, 2494051, 3562930, 4988102, 7125860, 9976204, 12470255, 24940510, 49881020]

約数ペア:

[(1, 49881020), (2, 24940510), (4, 12470255), (5, 9976204), (7, 7125860), (10, 4988102), (14, 3562930), (20, 2494051), (23, 2168740), (28, 1781465), (35, 1425172), (46, 1084370), (49, 1017980), (70, 712586), (92, 542185), (98, 508990), (115, 433748), (140, 356293), (161, 309820), (196, 254495), (230, 216874), (245, 203596), (322, 154910), (460, 108437), (490, 101798), (644, 77455), (805, 61964), (980, 50899), (1127, 44260), (1610, 30982), (2213, 22540), (2254, 22130), (3220, 15491), (4426, 11270), (4508, 11065), (5635, 8852)]