87464980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{683}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 194201280

約数和(自身を除く): 106736300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 337, 380, 674, 683, 1348, 1366, 1685, 2732, 3370, 3415, 6403, 6740, 6830, 12806, 12977, 13660, 25612, 25954, 32015, 51908, 64030, 64885, 128060, 129770, 230171, 259540, 460342, 920684, 1150855, 2301710, 4373249, 4603420, 8746498, 17492996, 21866245, 43732490, 87464980]

約数ペア:

[(1, 87464980), (2, 43732490), (4, 21866245), (5, 17492996), (10, 8746498), (19, 4603420), (20, 4373249), (38, 2301710), (76, 1150855), (95, 920684), (190, 460342), (337, 259540), (380, 230171), (674, 129770), (683, 128060), (1348, 64885), (1366, 64030), (1685, 51908), (2732, 32015), (3370, 25954), (3415, 25612), (6403, 13660), (6740, 12977), (6830, 12806)]