28149400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 66167640

約数和(自身を除く): 38018240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1451, 1940, 2425, 2902, 3880, 4850, 5804, 7255, 9700, 11608, 14510, 19400, 29020, 36275, 58040, 72550, 140747, 145100, 281494, 290200, 562988, 703735, 1125976, 1407470, 2814940, 3518675, 5629880, 7037350, 14074700, 28149400]

約数ペア:

[(1, 28149400), (2, 14074700), (4, 7037350), (5, 5629880), (8, 3518675), (10, 2814940), (20, 1407470), (25, 1125976), (40, 703735), (50, 562988), (97, 290200), (100, 281494), (194, 145100), (200, 140747), (388, 72550), (485, 58040), (776, 36275), (970, 29020), (1451, 19400), (1940, 14510), (2425, 11608), (2902, 9700), (3880, 7255), (4850, 5804)]