258520750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 500385600

約数和(自身を除く): 241864850

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 109, 125, 179, 218, 250, 265, 358, 530, 545, 895, 1090, 1325, 1790, 2650, 2725, 4475, 5450, 5777, 6625, 8950, 9487, 11554, 13250, 13625, 18974, 19511, 22375, 27250, 28885, 39022, 44750, 47435, 57770, 94870, 97555, 144425, 195110, 237175, 288850, 474350, 487775, 722125, 975550, 1034083, 1185875, 1444250, 2068166, 2371750, 2438875, 4877750, 5170415, 10340830, 25852075, 51704150, 129260375, 258520750]

約数ペア:

[(1, 258520750), (2, 129260375), (5, 51704150), (10, 25852075), (25, 10340830), (50, 5170415), (53, 4877750), (106, 2438875), (109, 2371750), (125, 2068166), (179, 1444250), (218, 1185875), (250, 1034083), (265, 975550), (358, 722125), (530, 487775), (545, 474350), (895, 288850), (1090, 237175), (1325, 195110), (1790, 144425), (2650, 97555), (2725, 94870), (4475, 57770), (5450, 47435), (5777, 44750), (6625, 39022), (8950, 28885), (9487, 27250), (11554, 22375), (13250, 19511), (13625, 18974)]