78689380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 96

約数和(自身を含む): 211744512

約数和(自身を除く): 133055132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1295, 1381, 1540, 1628, 2035, 2590, 2762, 2849, 4070, 5180, 5524, 5698, 6905, 8140, 9667, 11396, 13810, 14245, 15191, 19334, 27620, 28490, 30382, 38668, 48335, 51097, 56980, 60764, 75955, 96670, 102194, 106337, 151910, 193340, 204388, 212674, 255485, 303820, 357679, 425348, 510970, 531685, 562067, 715358, 1021940, 1063370, 1124134, 1430716, 1788395, 2126740, 2248268, 2810335, 3576790, 3934469, 5620670, 7153580, 7868938, 11241340, 15737876, 19672345, 39344690, 78689380]

約数ペア:

[(1, 78689380), (2, 39344690), (4, 19672345), (5, 15737876), (7, 11241340), (10, 7868938), (11, 7153580), (14, 5620670), (20, 3934469), (22, 3576790), (28, 2810335), (35, 2248268), (37, 2126740), (44, 1788395), (55, 1430716), (70, 1124134), (74, 1063370), (77, 1021940), (110, 715358), (140, 562067), (148, 531685), (154, 510970), (185, 425348), (220, 357679), (259, 303820), (308, 255485), (370, 212674), (385, 204388), (407, 193340), (518, 151910), (740, 106337), (770, 102194), (814, 96670), (1036, 75955), (1295, 60764), (1381, 56980), (1540, 51097), (1628, 48335), (2035, 38668), (2590, 30382), (2762, 28490), (2849, 27620), (4070, 19334), (5180, 15191), (5524, 14245), (5698, 13810), (6905, 11396), (8140, 9667)]