257061792

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 788296320

約数和(自身を除く): 531234528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 37, 38, 39, 48, 52, 57, 74, 76, 78, 96, 104, 111, 114, 148, 152, 156, 208, 222, 228, 247, 293, 296, 304, 312, 416, 444, 456, 481, 494, 586, 592, 608, 624, 703, 741, 879, 888, 912, 962, 988, 1172, 1184, 1248, 1406, 1443, 1482, 1758, 1776, 1824, 1924, 1976, 2109, 2344, 2812, 2886, 2964, 3516, 3552, 3809, 3848, 3952, 4218, 4688, 5567, 5624, 5772, 5928, 7032, 7618, 7696, 7904, 8436, 9139, 9376, 10841, 11134, 11248, 11427, 11544, 11856, 14064, 15236, 15392, 16701, 16872, 18278, 21682, 22268, 22496, 22854, 23088, 23712, 27417, 28128, 30472, 32523, 33402, 33744, 36556, 43364, 44536, 45708, 46176, 54834, 60944, 65046, 66804, 67488, 72371, 73112, 86728, 89072, 91416, 109668, 121888, 130092, 133608, 140933, 144742, 146224, 173456, 178144, 182832, 205979, 217113, 219336, 260184, 267216, 281866, 289484, 292448, 346912, 365664, 411958, 422799, 434226, 438672, 520368, 534432, 563732, 578968, 617937, 823916, 845598, 868452, 877344, 1040736, 1127464, 1157936, 1235874, 1647832, 1691196, 1736904, 2254928, 2315872, 2471748, 2677727, 3295664, 3382392, 3473808, 4509856, 4943496, 5355454, 6591328, 6764784, 6947616, 8033181, 9886992, 10710908, 13529568, 16066362, 19773984, 21421816, 32132724, 42843632, 64265448, 85687264, 128530896, 257061792]

約数ペア:

[(1, 257061792), (2, 128530896), (3, 85687264), (4, 64265448), (6, 42843632), (8, 32132724), (12, 21421816), (13, 19773984), (16, 16066362), (19, 13529568), (24, 10710908), (26, 9886992), (32, 8033181), (37, 6947616), (38, 6764784), (39, 6591328), (48, 5355454), (52, 4943496), (57, 4509856), (74, 3473808), (76, 3382392), (78, 3295664), (96, 2677727), (104, 2471748), (111, 2315872), (114, 2254928), (148, 1736904), (152, 1691196), (156, 1647832), (208, 1235874), (222, 1157936), (228, 1127464), (247, 1040736), (293, 877344), (296, 868452), (304, 845598), (312, 823916), (416, 617937), (444, 578968), (456, 563732), (481, 534432), (494, 520368), (586, 438672), (592, 434226), (608, 422799), (624, 411958), (703, 365664), (741, 346912), (879, 292448), (888, 289484), (912, 281866), (962, 267216), (988, 260184), (1172, 219336), (1184, 217113), (1248, 205979), (1406, 182832), (1443, 178144), (1482, 173456), (1758, 146224), (1776, 144742), (1824, 140933), (1924, 133608), (1976, 130092), (2109, 121888), (2344, 109668), (2812, 91416), (2886, 89072), (2964, 86728), (3516, 73112), (3552, 72371), (3809, 67488), (3848, 66804), (3952, 65046), (4218, 60944), (4688, 54834), (5567, 46176), (5624, 45708), (5772, 44536), (5928, 43364), (7032, 36556), (7618, 33744), (7696, 33402), (7904, 32523), (8436, 30472), (9139, 28128), (9376, 27417), (10841, 23712), (11134, 23088), (11248, 22854), (11427, 22496), (11544, 22268), (11856, 21682), (14064, 18278), (15236, 16872), (15392, 16701)]