199779280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67493}}^1$

素因数の和:67543

約数の個数: 40

約数和(自身を含む): 477047592

約数和(自身を除く): 277268312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 67493, 134986, 269972, 337465, 539944, 674930, 1079888, 1349860, 2497241, 2699720, 4994482, 5399440, 9988964, 12486205, 19977928, 24972410, 39955856, 49944820, 99889640, 199779280]

約数ペア:

[(1, 199779280), (2, 99889640), (4, 49944820), (5, 39955856), (8, 24972410), (10, 19977928), (16, 12486205), (20, 9988964), (37, 5399440), (40, 4994482), (74, 2699720), (80, 2497241), (148, 1349860), (185, 1079888), (296, 674930), (370, 539944), (592, 337465), (740, 269972), (1480, 134986), (2960, 67493)]