28148540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28723}}^1$

素因数の和:28746

約数の個数: 36

約数和(自身を含む): 68765256

約数和(自身を除く): 40616716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28723, 57446, 114892, 143615, 201061, 287230, 402122, 574460, 804244, 1005305, 1407427, 2010610, 2814854, 4021220, 5629708, 7037135, 14074270, 28148540]

約数ペア:

[(1, 28148540), (2, 14074270), (4, 7037135), (5, 5629708), (7, 4021220), (10, 2814854), (14, 2010610), (20, 1407427), (28, 1005305), (35, 804244), (49, 574460), (70, 402122), (98, 287230), (140, 201061), (196, 143615), (245, 114892), (490, 57446), (980, 28723)]