407928752

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1039

約数の個数: 120

約数和(自身を含む): 1025934336

約数和(自身を除く): 618005584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 242, 248, 308, 341, 434, 484, 496, 616, 682, 847, 868, 968, 971, 1232, 1364, 1694, 1736, 1936, 1942, 2387, 2728, 3388, 3472, 3751, 3884, 4774, 5456, 6776, 6797, 7502, 7768, 9548, 10681, 13552, 13594, 15004, 15536, 19096, 21362, 26257, 27188, 30008, 30101, 38192, 42724, 52514, 54376, 60016, 60202, 74767, 85448, 105028, 108752, 117491, 120404, 149534, 170896, 210056, 210707, 234982, 240808, 299068, 331111, 420112, 421414, 469964, 481616, 598136, 662222, 822437, 842828, 939928, 1196272, 1324444, 1644874, 1685656, 1879856, 2317777, 2648888, 3289748, 3371312, 3642221, 4635554, 5297776, 6579496, 7284442, 9271108, 13158992, 14568884, 18542216, 25495547, 29137768, 37084432, 50991094, 58275536, 101982188, 203964376, 407928752]

約数ペア:

[(1, 407928752), (2, 203964376), (4, 101982188), (7, 58275536), (8, 50991094), (11, 37084432), (14, 29137768), (16, 25495547), (22, 18542216), (28, 14568884), (31, 13158992), (44, 9271108), (56, 7284442), (62, 6579496), (77, 5297776), (88, 4635554), (112, 3642221), (121, 3371312), (124, 3289748), (154, 2648888), (176, 2317777), (217, 1879856), (242, 1685656), (248, 1644874), (308, 1324444), (341, 1196272), (434, 939928), (484, 842828), (496, 822437), (616, 662222), (682, 598136), (847, 481616), (868, 469964), (968, 421414), (971, 420112), (1232, 331111), (1364, 299068), (1694, 240808), (1736, 234982), (1936, 210707), (1942, 210056), (2387, 170896), (2728, 149534), (3388, 120404), (3472, 117491), (3751, 108752), (3884, 105028), (4774, 85448), (5456, 74767), (6776, 60202), (6797, 60016), (7502, 54376), (7768, 52514), (9548, 42724), (10681, 38192), (13552, 30101), (13594, 30008), (15004, 27188), (15536, 26257), (19096, 21362)]