85715420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 214220160

約数和(自身を除く): 128504740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 109, 137, 140, 164, 205, 218, 274, 287, 410, 436, 545, 548, 574, 685, 763, 820, 959, 1090, 1148, 1370, 1435, 1526, 1918, 2180, 2740, 2870, 3052, 3815, 3836, 4469, 4795, 5617, 5740, 7630, 8938, 9590, 11234, 14933, 15260, 17876, 19180, 22345, 22468, 28085, 29866, 31283, 39319, 44690, 56170, 59732, 62566, 74665, 78638, 89380, 104531, 112340, 125132, 149330, 156415, 157276, 196595, 209062, 298660, 312830, 393190, 418124, 522655, 612253, 625660, 786380, 1045310, 1224506, 2090620, 2449012, 3061265, 4285771, 6122530, 8571542, 12245060, 17143084, 21428855, 42857710, 85715420]

約数ペア:

[(1, 85715420), (2, 42857710), (4, 21428855), (5, 17143084), (7, 12245060), (10, 8571542), (14, 6122530), (20, 4285771), (28, 3061265), (35, 2449012), (41, 2090620), (70, 1224506), (82, 1045310), (109, 786380), (137, 625660), (140, 612253), (164, 522655), (205, 418124), (218, 393190), (274, 312830), (287, 298660), (410, 209062), (436, 196595), (545, 157276), (548, 156415), (574, 149330), (685, 125132), (763, 112340), (820, 104531), (959, 89380), (1090, 78638), (1148, 74665), (1370, 62566), (1435, 59732), (1526, 56170), (1918, 44690), (2180, 39319), (2740, 31283), (2870, 29866), (3052, 28085), (3815, 22468), (3836, 22345), (4469, 19180), (4795, 17876), (5617, 15260), (5740, 14933), (7630, 11234), (8938, 9590)]