129208520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{811}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 333244800

約数和(自身を除く): 204036280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 569, 811, 1138, 1622, 2276, 2845, 3244, 3983, 4055, 4552, 5677, 5690, 6488, 7966, 8110, 11354, 11380, 15932, 16220, 19915, 22708, 22760, 28385, 31864, 32440, 39830, 45416, 56770, 79660, 113540, 159320, 227080, 461459, 922918, 1845836, 2307295, 3230213, 3691672, 4614590, 6460426, 9229180, 12920852, 16151065, 18458360, 25841704, 32302130, 64604260, 129208520]

約数ペア:

[(1, 129208520), (2, 64604260), (4, 32302130), (5, 25841704), (7, 18458360), (8, 16151065), (10, 12920852), (14, 9229180), (20, 6460426), (28, 4614590), (35, 3691672), (40, 3230213), (56, 2307295), (70, 1845836), (140, 922918), (280, 461459), (569, 227080), (811, 159320), (1138, 113540), (1622, 79660), (2276, 56770), (2845, 45416), (3244, 39830), (3983, 32440), (4055, 31864), (4552, 28385), (5677, 22760), (5690, 22708), (6488, 19915), (7966, 16220), (8110, 15932), (11354, 11380)]