399715344

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 240

約数和(自身を含む): 1394375040

約数和(自身を除く): 994659696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 84, 92, 98, 108, 112, 126, 138, 144, 147, 161, 168, 184, 189, 196, 207, 216, 252, 276, 294, 322, 336, 368, 378, 392, 414, 432, 441, 483, 504, 552, 588, 621, 644, 756, 784, 821, 828, 882, 966, 1008, 1104, 1127, 1176, 1242, 1288, 1323, 1449, 1512, 1642, 1656, 1764, 1932, 2254, 2352, 2463, 2484, 2576, 2646, 2898, 3024, 3284, 3312, 3381, 3528, 3864, 4347, 4508, 4926, 4968, 5292, 5747, 5796, 6568, 6762, 7056, 7389, 7728, 8694, 9016, 9852, 9936, 10143, 10584, 11494, 11592, 13136, 13524, 14778, 17241, 17388, 18032, 18883, 19704, 20286, 21168, 22167, 22988, 23184, 27048, 29556, 30429, 34482, 34776, 37766, 39408, 40229, 40572, 44334, 45976, 51723, 54096, 56649, 59112, 60858, 68964, 69552, 75532, 80458, 81144, 88668, 91952, 103446, 113298, 118224, 120687, 121716, 132181, 137928, 151064, 155169, 160916, 162288, 169947, 177336, 206892, 226596, 241374, 243432, 264362, 275856, 302128, 310338, 321832, 339894, 354672, 362061, 396543, 413784, 453192, 482748, 486864, 509841, 528724, 620676, 643664, 679788, 724122, 793086, 827568, 906384, 925267, 965496, 1019682, 1057448, 1086183, 1189629, 1241352, 1359576, 1448244, 1586172, 1850534, 1930992, 2039364, 2114896, 2172366, 2379258, 2482704, 2719152, 2775801, 2896488, 3172344, 3568887, 3701068, 4078728, 4344732, 4758516, 5551602, 5792976, 6344688, 7137774, 7402136, 8157456, 8327403, 8689464, 9517032, 11103204, 14275548, 14804272, 16654806, 17378928, 19034064, 22206408, 24982209, 28551096, 33309612, 44412816, 49964418, 57102192, 66619224, 99928836, 133238448, 199857672, 399715344]

約数ペア:

[(1, 399715344), (2, 199857672), (3, 133238448), (4, 99928836), (6, 66619224), (7, 57102192), (8, 49964418), (9, 44412816), (12, 33309612), (14, 28551096), (16, 24982209), (18, 22206408), (21, 19034064), (23, 17378928), (24, 16654806), (27, 14804272), (28, 14275548), (36, 11103204), (42, 9517032), (46, 8689464), (48, 8327403), (49, 8157456), (54, 7402136), (56, 7137774), (63, 6344688), (69, 5792976), (72, 5551602), (84, 4758516), (92, 4344732), (98, 4078728), (108, 3701068), (112, 3568887), (126, 3172344), (138, 2896488), (144, 2775801), (147, 2719152), (161, 2482704), (168, 2379258), (184, 2172366), (189, 2114896), (196, 2039364), (207, 1930992), (216, 1850534), (252, 1586172), (276, 1448244), (294, 1359576), (322, 1241352), (336, 1189629), (368, 1086183), (378, 1057448), (392, 1019682), (414, 965496), (432, 925267), (441, 906384), (483, 827568), (504, 793086), (552, 724122), (588, 679788), (621, 643664), (644, 620676), (756, 528724), (784, 509841), (821, 486864), (828, 482748), (882, 453192), (966, 413784), (1008, 396543), (1104, 362061), (1127, 354672), (1176, 339894), (1242, 321832), (1288, 310338), (1323, 302128), (1449, 275856), (1512, 264362), (1642, 243432), (1656, 241374), (1764, 226596), (1932, 206892), (2254, 177336), (2352, 169947), (2463, 162288), (2484, 160916), (2576, 155169), (2646, 151064), (2898, 137928), (3024, 132181), (3284, 121716), (3312, 120687), (3381, 118224), (3528, 113298), (3864, 103446), (4347, 91952), (4508, 88668), (4926, 81144), (4968, 80458), (5292, 75532), (5747, 69552), (5796, 68964), (6568, 60858), (6762, 59112), (7056, 56649), (7389, 54096), (7728, 51723), (8694, 45976), (9016, 44334), (9852, 40572), (9936, 40229), (10143, 39408), (10584, 37766), (11494, 34776), (11592, 34482), (13136, 30429), (13524, 29556), (14778, 27048), (17241, 23184), (17388, 22988), (18032, 22167), (18883, 21168), (19704, 20286)]