281228416

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 128

約数和(自身を含む): 697680000

約数和(自身を除く): 416451584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 74, 112, 119, 128, 136, 148, 224, 238, 259, 272, 296, 448, 476, 499, 518, 544, 592, 629, 896, 952, 998, 1036, 1088, 1184, 1258, 1904, 1996, 2072, 2176, 2368, 2516, 3493, 3808, 3992, 4144, 4403, 4736, 5032, 6986, 7616, 7984, 8288, 8483, 8806, 10064, 13972, 15232, 15968, 16576, 16966, 17612, 18463, 20128, 27944, 31936, 33152, 33932, 35224, 36926, 40256, 55888, 59381, 63872, 67864, 70448, 73852, 80512, 111776, 118762, 129241, 135728, 140896, 147704, 223552, 237524, 258482, 271456, 281792, 295408, 313871, 447104, 475048, 516964, 542912, 563584, 590816, 627742, 950096, 1033928, 1085824, 1181632, 1255484, 1900192, 2067856, 2197097, 2363264, 2510968, 3800384, 4135712, 4394194, 5021936, 7600768, 8271424, 8788388, 10043872, 16542848, 17576776, 20087744, 35153552, 40175488, 70307104, 140614208, 281228416]

約数ペア:

[(1, 281228416), (2, 140614208), (4, 70307104), (7, 40175488), (8, 35153552), (14, 20087744), (16, 17576776), (17, 16542848), (28, 10043872), (32, 8788388), (34, 8271424), (37, 7600768), (56, 5021936), (64, 4394194), (68, 4135712), (74, 3800384), (112, 2510968), (119, 2363264), (128, 2197097), (136, 2067856), (148, 1900192), (224, 1255484), (238, 1181632), (259, 1085824), (272, 1033928), (296, 950096), (448, 627742), (476, 590816), (499, 563584), (518, 542912), (544, 516964), (592, 475048), (629, 447104), (896, 313871), (952, 295408), (998, 281792), (1036, 271456), (1088, 258482), (1184, 237524), (1258, 223552), (1904, 147704), (1996, 140896), (2072, 135728), (2176, 129241), (2368, 118762), (2516, 111776), (3493, 80512), (3808, 73852), (3992, 70448), (4144, 67864), (4403, 63872), (4736, 59381), (5032, 55888), (6986, 40256), (7616, 36926), (7984, 35224), (8288, 33932), (8483, 33152), (8806, 31936), (10064, 27944), (13972, 20128), (15232, 18463), (15968, 17612), (16576, 16966)]