1285284896

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 3104692416

約数和(自身を除く): 1819407520

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 157, 161, 184, 196, 224, 227, 314, 322, 368, 392, 454, 628, 644, 736, 784, 908, 1099, 1127, 1256, 1288, 1568, 1589, 1816, 2198, 2254, 2512, 2576, 3178, 3611, 3632, 4396, 4508, 5024, 5152, 5221, 6356, 7222, 7264, 7693, 8792, 9016, 10442, 11123, 12712, 14444, 15386, 17584, 18032, 20884, 22246, 25277, 25424, 28888, 30772, 35168, 35639, 36064, 36547, 41768, 44492, 50554, 50848, 57776, 61544, 71278, 73094, 83536, 88984, 101108, 115552, 123088, 142556, 146188, 167072, 176939, 177968, 202216, 246176, 249473, 255829, 285112, 292376, 353878, 355936, 404432, 498946, 511658, 570224, 584752, 707756, 808864, 819697, 997892, 1023316, 1140448, 1169504, 1415512, 1639394, 1746311, 1995784, 2046632, 2831024, 3278788, 3492622, 3991568, 4093264, 5662048, 5737879, 6557576, 6985244, 7983136, 8186528, 11475758, 13115152, 13970488, 22951516, 26230304, 27940976, 40165153, 45903032, 55881952, 80330306, 91806064, 160660612, 183612128, 321321224, 642642448, 1285284896]

約数ペア:

[(1, 1285284896), (2, 642642448), (4, 321321224), (7, 183612128), (8, 160660612), (14, 91806064), (16, 80330306), (23, 55881952), (28, 45903032), (32, 40165153), (46, 27940976), (49, 26230304), (56, 22951516), (92, 13970488), (98, 13115152), (112, 11475758), (157, 8186528), (161, 7983136), (184, 6985244), (196, 6557576), (224, 5737879), (227, 5662048), (314, 4093264), (322, 3991568), (368, 3492622), (392, 3278788), (454, 2831024), (628, 2046632), (644, 1995784), (736, 1746311), (784, 1639394), (908, 1415512), (1099, 1169504), (1127, 1140448), (1256, 1023316), (1288, 997892), (1568, 819697), (1589, 808864), (1816, 707756), (2198, 584752), (2254, 570224), (2512, 511658), (2576, 498946), (3178, 404432), (3611, 355936), (3632, 353878), (4396, 292376), (4508, 285112), (5024, 255829), (5152, 249473), (5221, 246176), (6356, 202216), (7222, 177968), (7264, 176939), (7693, 167072), (8792, 146188), (9016, 142556), (10442, 123088), (11123, 115552), (12712, 101108), (14444, 88984), (15386, 83536), (17584, 73094), (18032, 71278), (20884, 61544), (22246, 57776), (25277, 50848), (25424, 50554), (28888, 44492), (30772, 41768), (35168, 36547), (35639, 36064)]