639443770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1447}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 1351157760

約数和(自身を除く): 711713990

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 107, 118, 214, 295, 413, 535, 590, 749, 826, 1070, 1447, 1498, 2065, 2894, 3745, 4130, 6313, 7235, 7490, 10129, 12626, 14470, 20258, 31565, 44191, 50645, 63130, 85373, 88382, 101290, 154829, 170746, 220955, 309658, 426865, 441910, 597611, 774145, 853730, 1083803, 1195222, 1548290, 2167606, 2988055, 5419015, 5976110, 9134911, 10838030, 18269822, 45674555, 63944377, 91349110, 127888754, 319721885, 639443770]

約数ペア:

[(1, 639443770), (2, 319721885), (5, 127888754), (7, 91349110), (10, 63944377), (14, 45674555), (35, 18269822), (59, 10838030), (70, 9134911), (107, 5976110), (118, 5419015), (214, 2988055), (295, 2167606), (413, 1548290), (535, 1195222), (590, 1083803), (749, 853730), (826, 774145), (1070, 597611), (1447, 441910), (1498, 426865), (2065, 309658), (2894, 220955), (3745, 170746), (4130, 154829), (6313, 101290), (7235, 88382), (7490, 85373), (10129, 63130), (12626, 50645), (14470, 44191), (20258, 31565)]