538707925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 793600000

約数和(自身を除く): 254892075

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 199, 217, 499, 775, 995, 1085, 1393, 2495, 3493, 4975, 5425, 6169, 6965, 12475, 15469, 17465, 30845, 34825, 43183, 77345, 87325, 99301, 108283, 154225, 215915, 386725, 496505, 541415, 695107, 1079575, 2482525, 2707075, 3078331, 3475535, 15391655, 17377675, 21548317, 76958275, 107741585, 538707925]

約数ペア:

[(1, 538707925), (5, 107741585), (7, 76958275), (25, 21548317), (31, 17377675), (35, 15391655), (155, 3475535), (175, 3078331), (199, 2707075), (217, 2482525), (499, 1079575), (775, 695107), (995, 541415), (1085, 496505), (1393, 386725), (2495, 215915), (3493, 154225), (4975, 108283), (5425, 99301), (6169, 87325), (6965, 77345), (12475, 43183), (15469, 34825), (17465, 30845)]