1381805780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2961

約数の個数: 96

約数和(自身を含む): 3231083520

約数和(自身を除く): 1849277740

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 41, 62, 76, 82, 95, 124, 155, 164, 190, 205, 310, 380, 410, 589, 620, 779, 820, 1178, 1271, 1558, 2356, 2542, 2861, 2945, 3116, 3895, 5084, 5722, 5890, 6355, 7790, 11444, 11780, 12710, 14305, 15580, 24149, 25420, 28610, 48298, 54359, 57220, 88691, 96596, 108718, 117301, 120745, 177382, 217436, 234602, 241490, 271795, 354764, 443455, 469204, 482980, 543590, 586505, 886910, 1087180, 1173010, 1685129, 1773820, 2228719, 2346020, 3370258, 3636331, 4457438, 6740516, 7272662, 8425645, 8914876, 11143595, 14545324, 16851290, 18181655, 22287190, 33702580, 36363310, 44574380, 69090289, 72726620, 138180578, 276361156, 345451445, 690902890, 1381805780]

約数ペア:

[(1, 1381805780), (2, 690902890), (4, 345451445), (5, 276361156), (10, 138180578), (19, 72726620), (20, 69090289), (31, 44574380), (38, 36363310), (41, 33702580), (62, 22287190), (76, 18181655), (82, 16851290), (95, 14545324), (124, 11143595), (155, 8914876), (164, 8425645), (190, 7272662), (205, 6740516), (310, 4457438), (380, 3636331), (410, 3370258), (589, 2346020), (620, 2228719), (779, 1773820), (820, 1685129), (1178, 1173010), (1271, 1087180), (1558, 886910), (2356, 586505), (2542, 543590), (2861, 482980), (2945, 469204), (3116, 443455), (3895, 354764), (5084, 271795), (5722, 241490), (5890, 234602), (6355, 217436), (7790, 177382), (11444, 120745), (11780, 117301), (12710, 108718), (14305, 96596), (15580, 88691), (24149, 57220), (25420, 54359), (28610, 48298)]