201249425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 299534400

約数和(自身を除く): 98284975

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 109, 115, 169, 247, 299, 325, 437, 475, 545, 575, 845, 1235, 1417, 1495, 2071, 2185, 2507, 2725, 3211, 3887, 4225, 5681, 6175, 7085, 7475, 10355, 10925, 12535, 16055, 18421, 19435, 26923, 28405, 32591, 35425, 47633, 51775, 62675, 73853, 80275, 92105, 97175, 134615, 142025, 162955, 238165, 349999, 369265, 423683, 460525, 619229, 673075, 814775, 1190825, 1749995, 1846325, 2118415, 3096145, 8049977, 8749975, 10592075, 15480725, 40249885, 201249425]

約数ペア:

[(1, 201249425), (5, 40249885), (13, 15480725), (19, 10592075), (23, 8749975), (25, 8049977), (65, 3096145), (95, 2118415), (109, 1846325), (115, 1749995), (169, 1190825), (247, 814775), (299, 673075), (325, 619229), (437, 460525), (475, 423683), (545, 369265), (575, 349999), (845, 238165), (1235, 162955), (1417, 142025), (1495, 134615), (2071, 97175), (2185, 92105), (2507, 80275), (2725, 73853), (3211, 62675), (3887, 51775), (4225, 47633), (5681, 35425), (6175, 32591), (7085, 28405), (7475, 26923), (10355, 19435), (10925, 18421), (12535, 16055)]