279924530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 555206400

約数和(自身を除く): 275281870

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 101, 145, 190, 202, 290, 503, 505, 551, 1006, 1010, 1102, 1919, 2515, 2755, 2929, 3838, 5030, 5510, 5858, 9557, 9595, 14587, 14645, 19114, 19190, 29174, 29290, 47785, 50803, 55651, 72935, 95570, 101606, 111302, 145870, 254015, 277153, 278255, 508030, 554306, 556510, 965257, 1385765, 1473287, 1930514, 2771530, 2946574, 4826285, 7366435, 9652570, 14732870, 27992453, 55984906, 139962265, 279924530]

約数ペア:

[(1, 279924530), (2, 139962265), (5, 55984906), (10, 27992453), (19, 14732870), (29, 9652570), (38, 7366435), (58, 4826285), (95, 2946574), (101, 2771530), (145, 1930514), (190, 1473287), (202, 1385765), (290, 965257), (503, 556510), (505, 554306), (551, 508030), (1006, 278255), (1010, 277153), (1102, 254015), (1919, 145870), (2515, 111302), (2755, 101606), (2929, 95570), (3838, 72935), (5030, 55651), (5510, 50803), (5858, 47785), (9557, 29290), (9595, 29174), (14587, 19190), (14645, 19114)]