898016875

素因数分解:

$5^4\times 7^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 1349568000

約数和(自身を除く): 451551125

約数列:

[1, 5, 7, 25, 35, 49, 59, 71, 125, 175, 245, 295, 343, 355, 413, 497, 625, 875, 1225, 1475, 1715, 1775, 2065, 2485, 2891, 3479, 4189, 4375, 6125, 7375, 8575, 8875, 10325, 12425, 14455, 17395, 20237, 20945, 24353, 29323, 30625, 36875, 42875, 44375, 51625, 62125, 72275, 86975, 101185, 104725, 121765, 146615, 205261, 214375, 258125, 310625, 361375, 434875, 505925, 523625, 608825, 733075, 1026305, 1436827, 1806875, 2174375, 2529625, 2618125, 3044125, 3665375, 5131525, 7184135, 12648125, 15220625, 18326875, 25657625, 35920675, 128288125, 179603375, 898016875]

約数ペア:

[(1, 898016875), (5, 179603375), (7, 128288125), (25, 35920675), (35, 25657625), (49, 18326875), (59, 15220625), (71, 12648125), (125, 7184135), (175, 5131525), (245, 3665375), (295, 3044125), (343, 2618125), (355, 2529625), (413, 2174375), (497, 1806875), (625, 1436827), (875, 1026305), (1225, 733075), (1475, 608825), (1715, 523625), (1775, 505925), (2065, 434875), (2485, 361375), (2891, 310625), (3479, 258125), (4189, 214375), (4375, 205261), (6125, 146615), (7375, 121765), (8575, 104725), (8875, 101185), (10325, 86975), (12425, 72275), (14455, 62125), (17395, 51625), (20237, 44375), (20945, 42875), (24353, 36875), (29323, 30625)]