2487804970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{123833}}^1$

素因数の和:123895

約数の個数: 48

約数和(自身を含む): 5336254728

約数和(自身を除く): 2848449758

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 4018, 10045, 20090, 123833, 247666, 619165, 866831, 1238330, 1733662, 4334155, 5077153, 6067817, 8668310, 10154306, 12135634, 25385765, 30339085, 35540071, 50771530, 60678170, 71080142, 177700355, 248780497, 355400710, 497560994, 1243902485, 2487804970]

約数ペア:

[(1, 2487804970), (2, 1243902485), (5, 497560994), (7, 355400710), (10, 248780497), (14, 177700355), (35, 71080142), (41, 60678170), (49, 50771530), (70, 35540071), (82, 30339085), (98, 25385765), (205, 12135634), (245, 10154306), (287, 8668310), (410, 6067817), (490, 5077153), (574, 4334155), (1435, 1733662), (2009, 1238330), (2870, 866831), (4018, 619165), (10045, 247666), (20090, 123833)]