12703210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 26812800

約数和(自身を除く): 14109590

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 139, 185, 190, 247, 278, 370, 481, 494, 695, 703, 962, 1235, 1390, 1406, 1807, 2405, 2470, 2641, 3515, 3614, 4810, 5143, 5282, 7030, 9035, 9139, 10286, 13205, 18070, 18278, 25715, 26410, 34333, 45695, 51430, 66859, 68666, 91390, 97717, 133718, 171665, 195434, 334295, 343330, 488585, 668590, 977170, 1270321, 2540642, 6351605, 12703210]

約数ペア:

[(1, 12703210), (2, 6351605), (5, 2540642), (10, 1270321), (13, 977170), (19, 668590), (26, 488585), (37, 343330), (38, 334295), (65, 195434), (74, 171665), (95, 133718), (130, 97717), (139, 91390), (185, 68666), (190, 66859), (247, 51430), (278, 45695), (370, 34333), (481, 26410), (494, 25715), (695, 18278), (703, 18070), (962, 13205), (1235, 10286), (1390, 9139), (1406, 9035), (1807, 7030), (2405, 5282), (2470, 5143), (2641, 4810), (3515, 3614)]