254395260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{28843}}^1$

素因数の和:28872

約数の個数: 108

約数和(自身を含む): 897682968

約数和(自身を除く): 643287708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 28843, 57686, 86529, 115372, 144215, 173058, 201901, 259587, 288430, 346116, 403802, 432645, 519174, 576860, 605703, 807604, 865290, 1009505, 1038348, 1211406, 1297935, 1413307, 1730580, 1817109, 2019010, 2422812, 2595870, 2826614, 3028515, 3634218, 4038020, 4239921, 5191740, 5653228, 6057030, 7066535, 7268436, 8479842, 9085545, 12114060, 12719763, 14133070, 16959684, 18171090, 21199605, 25439526, 28266140, 36342180, 42399210, 50879052, 63598815, 84798420, 127197630, 254395260]

約数ペア:

[(1, 254395260), (2, 127197630), (3, 84798420), (4, 63598815), (5, 50879052), (6, 42399210), (7, 36342180), (9, 28266140), (10, 25439526), (12, 21199605), (14, 18171090), (15, 16959684), (18, 14133070), (20, 12719763), (21, 12114060), (28, 9085545), (30, 8479842), (35, 7268436), (36, 7066535), (42, 6057030), (45, 5653228), (49, 5191740), (60, 4239921), (63, 4038020), (70, 3634218), (84, 3028515), (90, 2826614), (98, 2595870), (105, 2422812), (126, 2019010), (140, 1817109), (147, 1730580), (180, 1413307), (196, 1297935), (210, 1211406), (245, 1038348), (252, 1009505), (294, 865290), (315, 807604), (420, 605703), (441, 576860), (490, 519174), (588, 432645), (630, 403802), (735, 346116), (882, 288430), (980, 259587), (1260, 201901), (1470, 173058), (1764, 144215), (2205, 115372), (2940, 86529), (4410, 57686), (8820, 28843)]