253828020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{248851}}^1$

素因数の和:248880

約数の個数: 48

約数和(自身を含む): 752528448

約数和(自身を除く): 498700428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 248851, 497702, 746553, 995404, 1244255, 1493106, 2488510, 2986212, 3732765, 4230467, 4977020, 7465530, 8460934, 12691401, 14931060, 16921868, 21152335, 25382802, 42304670, 50765604, 63457005, 84609340, 126914010, 253828020]

約数ペア:

[(1, 253828020), (2, 126914010), (3, 84609340), (4, 63457005), (5, 50765604), (6, 42304670), (10, 25382802), (12, 21152335), (15, 16921868), (17, 14931060), (20, 12691401), (30, 8460934), (34, 7465530), (51, 4977020), (60, 4230467), (68, 3732765), (85, 2986212), (102, 2488510), (170, 1493106), (204, 1244255), (255, 995404), (340, 746553), (510, 497702), (1020, 248851)]