189307888

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 470351840

約数和(自身を除く): 281043952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 121, 122, 154, 176, 229, 242, 244, 308, 427, 458, 484, 488, 616, 671, 847, 854, 916, 968, 976, 1232, 1342, 1603, 1694, 1708, 1832, 1936, 2519, 2684, 3206, 3388, 3416, 3664, 4697, 5038, 5368, 6412, 6776, 6832, 7381, 9394, 10076, 10736, 12824, 13552, 13969, 14762, 17633, 18788, 20152, 25648, 27709, 27938, 29524, 35266, 37576, 40304, 51667, 55418, 55876, 59048, 70532, 75152, 97783, 103334, 110836, 111752, 118096, 141064, 153659, 193963, 195566, 206668, 221672, 223504, 282128, 307318, 387926, 391132, 413336, 443344, 614636, 775852, 782264, 826672, 1075613, 1229272, 1551704, 1564528, 1690249, 2151226, 2458544, 3103408, 3380498, 4302452, 6760996, 8604904, 11831743, 13521992, 17209808, 23663486, 27043984, 47326972, 94653944, 189307888]

約数ペア:

[(1, 189307888), (2, 94653944), (4, 47326972), (7, 27043984), (8, 23663486), (11, 17209808), (14, 13521992), (16, 11831743), (22, 8604904), (28, 6760996), (44, 4302452), (56, 3380498), (61, 3103408), (77, 2458544), (88, 2151226), (112, 1690249), (121, 1564528), (122, 1551704), (154, 1229272), (176, 1075613), (229, 826672), (242, 782264), (244, 775852), (308, 614636), (427, 443344), (458, 413336), (484, 391132), (488, 387926), (616, 307318), (671, 282128), (847, 223504), (854, 221672), (916, 206668), (968, 195566), (976, 193963), (1232, 153659), (1342, 141064), (1603, 118096), (1694, 111752), (1708, 110836), (1832, 103334), (1936, 97783), (2519, 75152), (2684, 70532), (3206, 59048), (3388, 55876), (3416, 55418), (3664, 51667), (4697, 40304), (5038, 37576), (5368, 35266), (6412, 29524), (6776, 27938), (6832, 27709), (7381, 25648), (9394, 20152), (10076, 18788), (10736, 17633), (12824, 14762), (13552, 13969)]