65281300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 163114560

約数和(自身を除く): 97833260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 179, 350, 358, 521, 700, 716, 895, 1042, 1253, 1790, 2084, 2506, 2605, 3580, 3647, 4475, 5012, 5210, 6265, 7294, 8950, 10420, 12530, 13025, 14588, 17900, 18235, 25060, 26050, 31325, 36470, 52100, 62650, 72940, 91175, 93259, 125300, 182350, 186518, 364700, 373036, 466295, 652813, 932590, 1305626, 1865180, 2331475, 2611252, 3264065, 4662950, 6528130, 9325900, 13056260, 16320325, 32640650, 65281300]

約数ペア:

[(1, 65281300), (2, 32640650), (4, 16320325), (5, 13056260), (7, 9325900), (10, 6528130), (14, 4662950), (20, 3264065), (25, 2611252), (28, 2331475), (35, 1865180), (50, 1305626), (70, 932590), (100, 652813), (140, 466295), (175, 373036), (179, 364700), (350, 186518), (358, 182350), (521, 125300), (700, 93259), (716, 91175), (895, 72940), (1042, 62650), (1253, 52100), (1790, 36470), (2084, 31325), (2506, 26050), (2605, 25060), (3580, 18235), (3647, 17900), (4475, 14588), (5012, 13025), (5210, 12530), (6265, 10420), (7294, 8950)]