1705996840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 3874210560

約数和(自身を除く): 2168213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 263, 514, 526, 631, 1028, 1052, 1262, 1285, 1315, 2056, 2104, 2524, 2570, 2630, 3155, 5048, 5140, 5260, 6310, 10280, 10520, 12620, 25240, 67591, 135182, 162167, 165953, 270364, 324334, 331906, 337955, 540728, 648668, 663812, 675910, 810835, 829765, 1297336, 1327624, 1351820, 1621670, 1659530, 2703640, 3243340, 3319060, 6486680, 6638120, 42649921, 85299842, 170599684, 213249605, 341199368, 426499210, 852998420, 1705996840]

約数ペア:

[(1, 1705996840), (2, 852998420), (4, 426499210), (5, 341199368), (8, 213249605), (10, 170599684), (20, 85299842), (40, 42649921), (257, 6638120), (263, 6486680), (514, 3319060), (526, 3243340), (631, 2703640), (1028, 1659530), (1052, 1621670), (1262, 1351820), (1285, 1327624), (1315, 1297336), (2056, 829765), (2104, 810835), (2524, 675910), (2570, 663812), (2630, 648668), (3155, 540728), (5048, 337955), (5140, 331906), (5260, 324334), (6310, 270364), (10280, 165953), (10520, 162167), (12620, 135182), (25240, 67591)]