257940048

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 754237440

約数和(自身を除く): 496297392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 127, 131, 136, 152, 204, 228, 254, 262, 272, 304, 323, 381, 393, 408, 456, 508, 524, 646, 762, 786, 816, 912, 969, 1016, 1048, 1292, 1524, 1572, 1938, 2032, 2096, 2159, 2227, 2413, 2489, 2584, 3048, 3144, 3876, 4318, 4454, 4826, 4978, 5168, 6096, 6288, 6477, 6681, 7239, 7467, 7752, 8636, 8908, 9652, 9956, 12954, 13362, 14478, 14934, 15504, 16637, 17272, 17816, 19304, 19912, 25908, 26724, 28956, 29868, 33274, 34544, 35632, 38608, 39824, 41021, 42313, 49911, 51816, 53448, 57912, 59736, 66548, 82042, 84626, 99822, 103632, 106896, 115824, 119472, 123063, 126939, 133096, 164084, 169252, 199644, 246126, 253878, 266192, 282829, 316103, 328168, 338504, 399288, 492252, 507756, 565658, 632206, 656336, 677008, 798576, 848487, 948309, 984504, 1015512, 1131316, 1264412, 1696974, 1896618, 1969008, 2031024, 2262632, 2528824, 3393948, 3793236, 4525264, 5057648, 5373751, 6787896, 7586472, 10747502, 13575792, 15172944, 16121253, 21495004, 32242506, 42990008, 64485012, 85980016, 128970024, 257940048]

約数ペア:

[(1, 257940048), (2, 128970024), (3, 85980016), (4, 64485012), (6, 42990008), (8, 32242506), (12, 21495004), (16, 16121253), (17, 15172944), (19, 13575792), (24, 10747502), (34, 7586472), (38, 6787896), (48, 5373751), (51, 5057648), (57, 4525264), (68, 3793236), (76, 3393948), (102, 2528824), (114, 2262632), (127, 2031024), (131, 1969008), (136, 1896618), (152, 1696974), (204, 1264412), (228, 1131316), (254, 1015512), (262, 984504), (272, 948309), (304, 848487), (323, 798576), (381, 677008), (393, 656336), (408, 632206), (456, 565658), (508, 507756), (524, 492252), (646, 399288), (762, 338504), (786, 328168), (816, 316103), (912, 282829), (969, 266192), (1016, 253878), (1048, 246126), (1292, 199644), (1524, 169252), (1572, 164084), (1938, 133096), (2032, 126939), (2096, 123063), (2159, 119472), (2227, 115824), (2413, 106896), (2489, 103632), (2584, 99822), (3048, 84626), (3144, 82042), (3876, 66548), (4318, 59736), (4454, 57912), (4826, 53448), (4978, 51816), (5168, 49911), (6096, 42313), (6288, 41021), (6477, 39824), (6681, 38608), (7239, 35632), (7467, 34544), (7752, 33274), (8636, 29868), (8908, 28956), (9652, 26724), (9956, 25908), (12954, 19912), (13362, 19304), (14478, 17816), (14934, 17272), (15504, 16637)]