5644940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 13790784

約数和(自身を除く): 8145844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 661, 854, 1220, 1322, 1708, 2135, 2644, 3305, 4270, 4627, 6610, 8540, 9254, 13220, 18508, 23135, 40321, 46270, 80642, 92540, 161284, 201605, 282247, 403210, 564494, 806420, 1128988, 1411235, 2822470, 5644940]

約数ペア:

[(1, 5644940), (2, 2822470), (4, 1411235), (5, 1128988), (7, 806420), (10, 564494), (14, 403210), (20, 282247), (28, 201605), (35, 161284), (61, 92540), (70, 80642), (122, 46270), (140, 40321), (244, 23135), (305, 18508), (427, 13220), (610, 9254), (661, 8540), (854, 6610), (1220, 4627), (1322, 4270), (1708, 3305), (2135, 2644)]