2457460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3187340

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 223, 290, 380, 446, 551, 580, 892, 1102, 1115, 2204, 2230, 2755, 4237, 4460, 5510, 6467, 8474, 11020, 12934, 16948, 21185, 25868, 32335, 42370, 64670, 84740, 122873, 129340, 245746, 491492, 614365, 1228730, 2457460]

約数ペア:

[(1, 2457460), (2, 1228730), (4, 614365), (5, 491492), (10, 245746), (19, 129340), (20, 122873), (29, 84740), (38, 64670), (58, 42370), (76, 32335), (95, 25868), (116, 21185), (145, 16948), (190, 12934), (223, 11020), (290, 8474), (380, 6467), (446, 5510), (551, 4460), (580, 4237), (892, 2755), (1102, 2230), (1115, 2204)]