18920300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 28576660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 151, 175, 179, 302, 350, 358, 604, 700, 716, 755, 895, 1057, 1253, 1510, 1790, 2114, 2506, 3020, 3580, 3775, 4228, 4475, 5012, 5285, 6265, 7550, 8950, 10570, 12530, 15100, 17900, 21140, 25060, 26425, 27029, 31325, 52850, 54058, 62650, 105700, 108116, 125300, 135145, 189203, 270290, 378406, 540580, 675725, 756812, 946015, 1351450, 1892030, 2702900, 3784060, 4730075, 9460150, 18920300]

約数ペア:

[(1, 18920300), (2, 9460150), (4, 4730075), (5, 3784060), (7, 2702900), (10, 1892030), (14, 1351450), (20, 946015), (25, 756812), (28, 675725), (35, 540580), (50, 378406), (70, 270290), (100, 189203), (140, 135145), (151, 125300), (175, 108116), (179, 105700), (302, 62650), (350, 54058), (358, 52850), (604, 31325), (700, 27029), (716, 26425), (755, 25060), (895, 21140), (1057, 17900), (1253, 15100), (1510, 12530), (1790, 10570), (2114, 8950), (2506, 7550), (3020, 6265), (3580, 5285), (3775, 5012), (4228, 4475)]