678108400

素因数分解:

$2^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{12941}}^1$

素因数の和:13090

約数の個数: 60

約数和(自身を含む): 1641718584

約数和(自身を除く): 963610184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 131, 200, 262, 400, 524, 655, 1048, 1310, 2096, 2620, 3275, 5240, 6550, 10480, 12941, 13100, 25882, 26200, 51764, 52400, 64705, 103528, 129410, 207056, 258820, 323525, 517640, 647050, 1035280, 1294100, 1695271, 2588200, 3390542, 5176400, 6781084, 8476355, 13562168, 16952710, 27124336, 33905420, 42381775, 67810840, 84763550, 135621680, 169527100, 339054200, 678108400]

約数ペア:

[(1, 678108400), (2, 339054200), (4, 169527100), (5, 135621680), (8, 84763550), (10, 67810840), (16, 42381775), (20, 33905420), (25, 27124336), (40, 16952710), (50, 13562168), (80, 8476355), (100, 6781084), (131, 5176400), (200, 3390542), (262, 2588200), (400, 1695271), (524, 1294100), (655, 1035280), (1048, 647050), (1310, 517640), (2096, 323525), (2620, 258820), (3275, 207056), (5240, 129410), (6550, 103528), (10480, 64705), (12941, 52400), (13100, 51764), (25882, 26200)]