199705428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 588689920

約数和(自身を除く): 388984492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 117, 148, 156, 171, 222, 228, 234, 247, 333, 342, 444, 468, 481, 494, 607, 666, 684, 703, 741, 962, 988, 1214, 1332, 1406, 1443, 1482, 1821, 1924, 2109, 2223, 2428, 2812, 2886, 2964, 3642, 4218, 4329, 4446, 5463, 5772, 6327, 7284, 7891, 8436, 8658, 8892, 9139, 10926, 11533, 12654, 15782, 17316, 18278, 21852, 22459, 23066, 23673, 25308, 27417, 31564, 34599, 36556, 44918, 46132, 47346, 54834, 67377, 69198, 71019, 82251, 89836, 94692, 103797, 109668, 134754, 138396, 142038, 149929, 164502, 202131, 207594, 269508, 284076, 291967, 299858, 329004, 404262, 415188, 426721, 449787, 583934, 599716, 808524, 853442, 875901, 899574, 1167868, 1280163, 1349361, 1706884, 1751802, 1799148, 2560326, 2627703, 2698722, 3503604, 3840489, 5120652, 5255406, 5397444, 5547373, 7680978, 10510812, 11094746, 15361956, 16642119, 22189492, 33284238, 49926357, 66568476, 99852714, 199705428]

約数ペア:

[(1, 199705428), (2, 99852714), (3, 66568476), (4, 49926357), (6, 33284238), (9, 22189492), (12, 16642119), (13, 15361956), (18, 11094746), (19, 10510812), (26, 7680978), (36, 5547373), (37, 5397444), (38, 5255406), (39, 5120652), (52, 3840489), (57, 3503604), (74, 2698722), (76, 2627703), (78, 2560326), (111, 1799148), (114, 1751802), (117, 1706884), (148, 1349361), (156, 1280163), (171, 1167868), (222, 899574), (228, 875901), (234, 853442), (247, 808524), (333, 599716), (342, 583934), (444, 449787), (468, 426721), (481, 415188), (494, 404262), (607, 329004), (666, 299858), (684, 291967), (703, 284076), (741, 269508), (962, 207594), (988, 202131), (1214, 164502), (1332, 149929), (1406, 142038), (1443, 138396), (1482, 134754), (1821, 109668), (1924, 103797), (2109, 94692), (2223, 89836), (2428, 82251), (2812, 71019), (2886, 69198), (2964, 67377), (3642, 54834), (4218, 47346), (4329, 46132), (4446, 44918), (5463, 36556), (5772, 34599), (6327, 31564), (7284, 27417), (7891, 25308), (8436, 23673), (8658, 23066), (8892, 22459), (9139, 21852), (10926, 18278), (11533, 17316), (12654, 15782)]