51109590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 140880384

約数和(自身を除く): 89770794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 771, 947, 1285, 1542, 1799, 1894, 2570, 2841, 3598, 3855, 4735, 5397, 5682, 6629, 7710, 8995, 9470, 10794, 13258, 14205, 17990, 19887, 26985, 28410, 33145, 39774, 53970, 66290, 99435, 198870, 243379, 486758, 730137, 1216895, 1460274, 1703653, 2433790, 3407306, 3650685, 5110959, 7301370, 8518265, 10221918, 17036530, 25554795, 51109590]

約数ペア:

[(1, 51109590), (2, 25554795), (3, 17036530), (5, 10221918), (6, 8518265), (7, 7301370), (10, 5110959), (14, 3650685), (15, 3407306), (21, 2433790), (30, 1703653), (35, 1460274), (42, 1216895), (70, 730137), (105, 486758), (210, 243379), (257, 198870), (514, 99435), (771, 66290), (947, 53970), (1285, 39774), (1542, 33145), (1799, 28410), (1894, 26985), (2570, 19887), (2841, 17990), (3598, 14205), (3855, 13258), (4735, 10794), (5397, 9470), (5682, 8995), (6629, 7710)]