290496472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 691660800

約数和(自身を除く): 401164328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 47, 56, 74, 76, 94, 133, 148, 152, 157, 188, 259, 266, 296, 314, 329, 376, 518, 532, 628, 658, 703, 893, 1036, 1064, 1099, 1256, 1316, 1406, 1739, 1786, 2072, 2198, 2632, 2812, 2983, 3478, 3572, 4396, 4921, 5624, 5809, 5966, 6251, 6956, 7144, 7379, 8792, 9842, 11618, 11932, 12173, 12502, 13912, 14758, 19684, 20881, 23236, 23864, 24346, 25004, 29516, 33041, 39368, 40663, 41762, 46472, 48692, 50008, 51653, 59032, 66082, 81326, 83524, 97384, 103306, 110371, 132164, 140201, 162652, 167048, 206612, 220742, 231287, 264328, 273023, 280402, 325304, 413224, 441484, 462574, 546046, 560804, 772597, 882968, 925148, 981407, 1092092, 1121608, 1545194, 1850296, 1911161, 1962814, 2184184, 3090388, 3822322, 3925628, 5187437, 6180776, 7644644, 7851256, 10374874, 15289288, 20749748, 36312059, 41499496, 72624118, 145248236, 290496472]

約数ペア:

[(1, 290496472), (2, 145248236), (4, 72624118), (7, 41499496), (8, 36312059), (14, 20749748), (19, 15289288), (28, 10374874), (37, 7851256), (38, 7644644), (47, 6180776), (56, 5187437), (74, 3925628), (76, 3822322), (94, 3090388), (133, 2184184), (148, 1962814), (152, 1911161), (157, 1850296), (188, 1545194), (259, 1121608), (266, 1092092), (296, 981407), (314, 925148), (329, 882968), (376, 772597), (518, 560804), (532, 546046), (628, 462574), (658, 441484), (703, 413224), (893, 325304), (1036, 280402), (1064, 273023), (1099, 264328), (1256, 231287), (1316, 220742), (1406, 206612), (1739, 167048), (1786, 162652), (2072, 140201), (2198, 132164), (2632, 110371), (2812, 103306), (2983, 97384), (3478, 83524), (3572, 81326), (4396, 66082), (4921, 59032), (5624, 51653), (5809, 50008), (5966, 48692), (6251, 46472), (6956, 41762), (7144, 40663), (7379, 39368), (8792, 33041), (9842, 29516), (11618, 25004), (11932, 24346), (12173, 23864), (12502, 23236), (13912, 20881), (14758, 19684)]