12378625

素因数分解:

$5^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 18779904

約数和(自身を除く): 6401279

約数列:

[1, 5, 7, 25, 35, 43, 47, 49, 125, 175, 215, 235, 245, 301, 329, 875, 1075, 1175, 1225, 1505, 1645, 2021, 2107, 2303, 5375, 5875, 6125, 7525, 8225, 10105, 10535, 11515, 14147, 37625, 41125, 50525, 52675, 57575, 70735, 99029, 252625, 263375, 287875, 353675, 495145, 1768375, 2475725, 12378625]

約数ペア:

[(1, 12378625), (5, 2475725), (7, 1768375), (25, 495145), (35, 353675), (43, 287875), (47, 263375), (49, 252625), (125, 99029), (175, 70735), (215, 57575), (235, 52675), (245, 50525), (301, 41125), (329, 37625), (875, 14147), (1075, 11515), (1175, 10535), (1225, 10105), (1505, 8225), (1645, 7525), (2021, 6125), (2107, 5875), (2303, 5375)]