68784940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1361}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 174357792

約数和(自身を除く): 105572852

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1361, 1444, 1805, 2527, 2660, 2722, 3610, 5054, 5444, 6805, 7220, 9527, 10108, 12635, 13610, 19054, 25270, 25859, 27220, 38108, 47635, 50540, 51718, 95270, 103436, 129295, 181013, 190540, 258590, 362026, 491321, 517180, 724052, 905065, 982642, 1810130, 1965284, 2456605, 3439247, 3620260, 4913210, 6878494, 9826420, 13756988, 17196235, 34392470, 68784940]

約数ペア:

[(1, 68784940), (2, 34392470), (4, 17196235), (5, 13756988), (7, 9826420), (10, 6878494), (14, 4913210), (19, 3620260), (20, 3439247), (28, 2456605), (35, 1965284), (38, 1810130), (70, 982642), (76, 905065), (95, 724052), (133, 517180), (140, 491321), (190, 362026), (266, 258590), (361, 190540), (380, 181013), (532, 129295), (665, 103436), (722, 95270), (1330, 51718), (1361, 50540), (1444, 47635), (1805, 38108), (2527, 27220), (2660, 25859), (2722, 25270), (3610, 19054), (5054, 13610), (5444, 12635), (6805, 10108), (7220, 9527)]