77654180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 166453056

約数和(自身を除く): 88798876

約数列:

[1, 2, 4, 5, 10, 20, 107, 131, 214, 262, 277, 428, 524, 535, 554, 655, 1070, 1108, 1310, 1385, 2140, 2620, 2770, 5540, 14017, 28034, 29639, 36287, 56068, 59278, 70085, 72574, 118556, 140170, 145148, 148195, 181435, 280340, 296390, 362870, 592780, 725740, 3882709, 7765418, 15530836, 19413545, 38827090, 77654180]

約数ペア:

[(1, 77654180), (2, 38827090), (4, 19413545), (5, 15530836), (10, 7765418), (20, 3882709), (107, 725740), (131, 592780), (214, 362870), (262, 296390), (277, 280340), (428, 181435), (524, 148195), (535, 145148), (554, 140170), (655, 118556), (1070, 72574), (1108, 70085), (1310, 59278), (1385, 56068), (2140, 36287), (2620, 29639), (2770, 28034), (5540, 14017)]