27973480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 66361680

約数和(自身を除く): 38388200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 461, 740, 820, 922, 1480, 1517, 1640, 1844, 2305, 3034, 3688, 4610, 6068, 7585, 9220, 12136, 15170, 17057, 18440, 18901, 30340, 34114, 37802, 60680, 68228, 75604, 85285, 94505, 136456, 151208, 170570, 189010, 341140, 378020, 682280, 699337, 756040, 1398674, 2797348, 3496685, 5594696, 6993370, 13986740, 27973480]

約数ペア:

[(1, 27973480), (2, 13986740), (4, 6993370), (5, 5594696), (8, 3496685), (10, 2797348), (20, 1398674), (37, 756040), (40, 699337), (41, 682280), (74, 378020), (82, 341140), (148, 189010), (164, 170570), (185, 151208), (205, 136456), (296, 94505), (328, 85285), (370, 75604), (410, 68228), (461, 60680), (740, 37802), (820, 34114), (922, 30340), (1480, 18901), (1517, 18440), (1640, 17057), (1844, 15170), (2305, 12136), (3034, 9220), (3688, 7585), (4610, 6068)]