400981776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1165

約数の個数: 160

約数和(自身を含む): 1213255680

約数和(自身を除く): 812273904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 38, 39, 48, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 208, 228, 247, 248, 304, 312, 372, 403, 456, 494, 496, 589, 624, 741, 744, 806, 912, 988, 1091, 1178, 1209, 1482, 1488, 1612, 1767, 1976, 2182, 2356, 2418, 2964, 3224, 3273, 3534, 3952, 4364, 4712, 4836, 5928, 6448, 6546, 7068, 7657, 8728, 9424, 9672, 11856, 13092, 14136, 14183, 15314, 17456, 19344, 20729, 22971, 26184, 28272, 28366, 30628, 33821, 41458, 42549, 45942, 52368, 56732, 61256, 62187, 67642, 82916, 85098, 91884, 101463, 113464, 122512, 124374, 135284, 165832, 170196, 183768, 202926, 226928, 248748, 269477, 270568, 331664, 340392, 367536, 405852, 439673, 497496, 538954, 541136, 642599, 680784, 808431, 811704, 879346, 994992, 1077908, 1285198, 1319019, 1616862, 1623408, 1758692, 1927797, 2155816, 2570396, 2638038, 3233724, 3517384, 3855594, 4311632, 5140792, 5276076, 6467448, 7034768, 7711188, 8353787, 10281584, 10552152, 12934896, 15422376, 16707574, 21104304, 25061361, 30844752, 33415148, 50122722, 66830296, 100245444, 133660592, 200490888, 400981776]

約数ペア:

[(1, 400981776), (2, 200490888), (3, 133660592), (4, 100245444), (6, 66830296), (8, 50122722), (12, 33415148), (13, 30844752), (16, 25061361), (19, 21104304), (24, 16707574), (26, 15422376), (31, 12934896), (38, 10552152), (39, 10281584), (48, 8353787), (52, 7711188), (57, 7034768), (62, 6467448), (76, 5276076), (78, 5140792), (93, 4311632), (104, 3855594), (114, 3517384), (124, 3233724), (152, 2638038), (156, 2570396), (186, 2155816), (208, 1927797), (228, 1758692), (247, 1623408), (248, 1616862), (304, 1319019), (312, 1285198), (372, 1077908), (403, 994992), (456, 879346), (494, 811704), (496, 808431), (589, 680784), (624, 642599), (741, 541136), (744, 538954), (806, 497496), (912, 439673), (988, 405852), (1091, 367536), (1178, 340392), (1209, 331664), (1482, 270568), (1488, 269477), (1612, 248748), (1767, 226928), (1976, 202926), (2182, 183768), (2356, 170196), (2418, 165832), (2964, 135284), (3224, 124374), (3273, 122512), (3534, 113464), (3952, 101463), (4364, 91884), (4712, 85098), (4836, 82916), (5928, 67642), (6448, 62187), (6546, 61256), (7068, 56732), (7657, 52368), (8728, 45942), (9424, 42549), (9672, 41458), (11856, 33821), (13092, 30628), (14136, 28366), (14183, 28272), (15314, 26184), (17456, 22971), (19344, 20729)]