257629008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 160

約数和(自身を含む): 826336000

約数和(自身を除く): 568706992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 349, 364, 507, 546, 624, 676, 698, 728, 1014, 1047, 1092, 1183, 1352, 1396, 1456, 2028, 2094, 2184, 2197, 2366, 2443, 2704, 2792, 3549, 4056, 4188, 4368, 4394, 4537, 4732, 4886, 5584, 6591, 7098, 7329, 8112, 8376, 8788, 9074, 9464, 9772, 13182, 13611, 14196, 14658, 15379, 16752, 17576, 18148, 18928, 19544, 26364, 27222, 28392, 29316, 30758, 31759, 35152, 36296, 39088, 46137, 52728, 54444, 56784, 58632, 58981, 61516, 63518, 72592, 92274, 95277, 105456, 108888, 117264, 117962, 123032, 127036, 176943, 184548, 190554, 217776, 235924, 246064, 254072, 353886, 369096, 381108, 412867, 471848, 508144, 707772, 738192, 762216, 766753, 825734, 943696, 1238601, 1415544, 1524432, 1533506, 1651468, 2300259, 2477202, 2831088, 3067012, 3302936, 4600518, 4954404, 5367271, 6134024, 6605872, 9201036, 9908808, 10734542, 12268048, 16101813, 18402072, 19817616, 21469084, 32203626, 36804144, 42938168, 64407252, 85876336, 128814504, 257629008]

約数ペア:

[(1, 257629008), (2, 128814504), (3, 85876336), (4, 64407252), (6, 42938168), (7, 36804144), (8, 32203626), (12, 21469084), (13, 19817616), (14, 18402072), (16, 16101813), (21, 12268048), (24, 10734542), (26, 9908808), (28, 9201036), (39, 6605872), (42, 6134024), (48, 5367271), (52, 4954404), (56, 4600518), (78, 3302936), (84, 3067012), (91, 2831088), (104, 2477202), (112, 2300259), (156, 1651468), (168, 1533506), (169, 1524432), (182, 1415544), (208, 1238601), (273, 943696), (312, 825734), (336, 766753), (338, 762216), (349, 738192), (364, 707772), (507, 508144), (546, 471848), (624, 412867), (676, 381108), (698, 369096), (728, 353886), (1014, 254072), (1047, 246064), (1092, 235924), (1183, 217776), (1352, 190554), (1396, 184548), (1456, 176943), (2028, 127036), (2094, 123032), (2184, 117962), (2197, 117264), (2366, 108888), (2443, 105456), (2704, 95277), (2792, 92274), (3549, 72592), (4056, 63518), (4188, 61516), (4368, 58981), (4394, 58632), (4537, 56784), (4732, 54444), (4886, 52728), (5584, 46137), (6591, 39088), (7098, 36296), (7329, 35152), (8112, 31759), (8376, 30758), (8788, 29316), (9074, 28392), (9464, 27222), (9772, 26364), (13182, 19544), (13611, 18928), (14196, 18148), (14658, 17576), (15379, 16752)]