131495980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 348042240

約数和(自身を除く): 216546260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 385, 412, 515, 721, 770, 829, 1030, 1133, 1442, 1540, 1658, 2060, 2266, 2884, 3316, 3605, 4145, 4532, 5665, 5803, 7210, 7931, 8290, 9119, 11330, 11606, 14420, 15862, 16580, 18238, 22660, 23212, 29015, 31724, 36476, 39655, 45595, 58030, 63833, 79310, 85387, 91190, 116060, 127666, 158620, 170774, 182380, 255332, 319165, 341548, 426935, 597709, 638330, 853870, 939257, 1195418, 1276660, 1707740, 1878514, 2390836, 2988545, 3757028, 4696285, 5977090, 6574799, 9392570, 11954180, 13149598, 18785140, 26299196, 32873995, 65747990, 131495980]

約数ペア:

[(1, 131495980), (2, 65747990), (4, 32873995), (5, 26299196), (7, 18785140), (10, 13149598), (11, 11954180), (14, 9392570), (20, 6574799), (22, 5977090), (28, 4696285), (35, 3757028), (44, 2988545), (55, 2390836), (70, 1878514), (77, 1707740), (103, 1276660), (110, 1195418), (140, 939257), (154, 853870), (206, 638330), (220, 597709), (308, 426935), (385, 341548), (412, 319165), (515, 255332), (721, 182380), (770, 170774), (829, 158620), (1030, 127666), (1133, 116060), (1442, 91190), (1540, 85387), (1658, 79310), (2060, 63833), (2266, 58030), (2884, 45595), (3316, 39655), (3605, 36476), (4145, 31724), (4532, 29015), (5665, 23212), (5803, 22660), (7210, 18238), (7931, 16580), (8290, 15862), (9119, 14420), (11330, 11606)]