402812388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 1223855360

約数和(自身を除く): 821042972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 31, 33, 36, 38, 44, 57, 62, 66, 76, 93, 99, 114, 121, 124, 132, 157, 171, 186, 198, 209, 228, 242, 279, 314, 341, 342, 363, 372, 396, 418, 471, 484, 558, 589, 627, 628, 682, 684, 726, 836, 942, 1023, 1089, 1116, 1178, 1254, 1364, 1413, 1452, 1727, 1767, 1881, 1884, 2046, 2178, 2299, 2356, 2508, 2826, 2983, 3069, 3454, 3534, 3751, 3762, 4092, 4356, 4598, 4867, 5181, 5301, 5652, 5966, 6138, 6479, 6897, 6908, 7068, 7502, 7524, 8949, 9196, 9734, 10362, 10602, 11253, 11932, 12276, 12958, 13794, 14601, 15004, 15543, 17898, 18997, 19437, 19468, 20691, 20724, 21204, 22506, 25916, 26847, 27588, 29202, 31086, 32813, 33759, 35796, 37994, 38874, 41382, 43803, 45012, 53537, 53694, 56991, 58311, 58404, 62172, 65626, 67518, 71269, 75988, 77748, 82764, 87606, 92473, 98439, 107074, 107388, 113982, 116622, 131252, 135036, 142538, 160611, 170973, 175212, 184946, 196878, 213807, 214148, 227964, 233244, 277419, 285076, 295317, 321222, 341946, 360943, 369892, 393756, 427614, 481833, 554838, 588907, 590634, 641421, 642444, 683892, 721886, 832257, 855228, 963666, 1017203, 1082829, 1109676, 1177814, 1181268, 1282842, 1443772, 1664514, 1766721, 1927332, 2034406, 2165658, 2355628, 2565684, 3051609, 3248487, 3329028, 3533442, 4068812, 4331316, 5300163, 6103218, 6496974, 7066884, 9154827, 10600326, 11189233, 12206436, 12993948, 18309654, 21200652, 22378466, 33567699, 36619308, 44756932, 67135398, 100703097, 134270796, 201406194, 402812388]

約数ペア:

[(1, 402812388), (2, 201406194), (3, 134270796), (4, 100703097), (6, 67135398), (9, 44756932), (11, 36619308), (12, 33567699), (18, 22378466), (19, 21200652), (22, 18309654), (31, 12993948), (33, 12206436), (36, 11189233), (38, 10600326), (44, 9154827), (57, 7066884), (62, 6496974), (66, 6103218), (76, 5300163), (93, 4331316), (99, 4068812), (114, 3533442), (121, 3329028), (124, 3248487), (132, 3051609), (157, 2565684), (171, 2355628), (186, 2165658), (198, 2034406), (209, 1927332), (228, 1766721), (242, 1664514), (279, 1443772), (314, 1282842), (341, 1181268), (342, 1177814), (363, 1109676), (372, 1082829), (396, 1017203), (418, 963666), (471, 855228), (484, 832257), (558, 721886), (589, 683892), (627, 642444), (628, 641421), (682, 590634), (684, 588907), (726, 554838), (836, 481833), (942, 427614), (1023, 393756), (1089, 369892), (1116, 360943), (1178, 341946), (1254, 321222), (1364, 295317), (1413, 285076), (1452, 277419), (1727, 233244), (1767, 227964), (1881, 214148), (1884, 213807), (2046, 196878), (2178, 184946), (2299, 175212), (2356, 170973), (2508, 160611), (2826, 142538), (2983, 135036), (3069, 131252), (3454, 116622), (3534, 113982), (3751, 107388), (3762, 107074), (4092, 98439), (4356, 92473), (4598, 87606), (4867, 82764), (5181, 77748), (5301, 75988), (5652, 71269), (5966, 67518), (6138, 65626), (6479, 62172), (6897, 58404), (6908, 58311), (7068, 56991), (7502, 53694), (7524, 53537), (8949, 45012), (9196, 43803), (9734, 41382), (10362, 38874), (10602, 37994), (11253, 35796), (11932, 33759), (12276, 32813), (12958, 31086), (13794, 29202), (14601, 27588), (15004, 26847), (15543, 25916), (17898, 22506), (18997, 21204), (19437, 20724), (19468, 20691)]