208163810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 212776990

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 223, 289, 323, 446, 578, 646, 1115, 1445, 1615, 2230, 2890, 3230, 3791, 4237, 4913, 5491, 7582, 8474, 9826, 10982, 18955, 21185, 24565, 27455, 37910, 42370, 49130, 54910, 64447, 72029, 93347, 128894, 144058, 186694, 322235, 360145, 466735, 644470, 720290, 933470, 1095599, 1224493, 2191198, 2448986, 5477995, 6122465, 10955990, 12244930, 20816381, 41632762, 104081905, 208163810]

約数ペア:

[(1, 208163810), (2, 104081905), (5, 41632762), (10, 20816381), (17, 12244930), (19, 10955990), (34, 6122465), (38, 5477995), (85, 2448986), (95, 2191198), (170, 1224493), (190, 1095599), (223, 933470), (289, 720290), (323, 644470), (446, 466735), (578, 360145), (646, 322235), (1115, 186694), (1445, 144058), (1615, 128894), (2230, 93347), (2890, 72029), (3230, 64447), (3791, 54910), (4237, 49130), (4913, 42370), (5491, 37910), (7582, 27455), (8474, 24565), (9826, 21185), (10982, 18955)]