30778825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 48568320

約数和(自身を除く): 17789495

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 175, 271, 275, 295, 385, 413, 649, 1355, 1475, 1897, 1925, 2065, 2981, 3245, 4543, 6775, 9485, 10325, 14905, 15989, 16225, 20867, 22715, 47425, 74525, 79945, 104335, 111923, 113575, 175879, 399725, 521675, 559615, 879395, 1231153, 2798075, 4396975, 6155765, 30778825]

約数ペア:

[(1, 30778825), (5, 6155765), (7, 4396975), (11, 2798075), (25, 1231153), (35, 879395), (55, 559615), (59, 521675), (77, 399725), (175, 175879), (271, 113575), (275, 111923), (295, 104335), (385, 79945), (413, 74525), (649, 47425), (1355, 22715), (1475, 20867), (1897, 16225), (1925, 15989), (2065, 14905), (2981, 10325), (3245, 9485), (4543, 6775)]