172117300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{21787}}^1$

素因数の和:21880

約数の個数: 36

約数和(自身を含む): 378239680

約数和(自身を除く): 206122380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 21787, 43574, 87148, 108935, 217870, 435740, 544675, 1089350, 1721173, 2178700, 3442346, 6884692, 8605865, 17211730, 34423460, 43029325, 86058650, 172117300]

約数ペア:

[(1, 172117300), (2, 86058650), (4, 43029325), (5, 34423460), (10, 17211730), (20, 8605865), (25, 6884692), (50, 3442346), (79, 2178700), (100, 1721173), (158, 1089350), (316, 544675), (395, 435740), (790, 217870), (1580, 108935), (1975, 87148), (3950, 43574), (7900, 21787)]