291838008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 128

約数和(自身を含む): 921600000

約数和(自身を除く): 629761992

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 79, 84, 88, 132, 154, 158, 168, 231, 237, 264, 308, 316, 462, 474, 553, 616, 632, 869, 924, 948, 1106, 1659, 1738, 1848, 1896, 1999, 2212, 2607, 3318, 3476, 3998, 4424, 5214, 5997, 6083, 6636, 6952, 7996, 10428, 11994, 12166, 13272, 13993, 15992, 18249, 20856, 21989, 23988, 24332, 27986, 36498, 41979, 43978, 47976, 48664, 55972, 65967, 72996, 83958, 87956, 111944, 131934, 145992, 153923, 157921, 167916, 175912, 263868, 307846, 315842, 335832, 461769, 473763, 527736, 615692, 631684, 923538, 947526, 1105447, 1231384, 1263368, 1737131, 1847076, 1895052, 2210894, 3316341, 3474262, 3694152, 3790104, 4421788, 5211393, 6632682, 6948524, 8843576, 10422786, 12159917, 13265364, 13897048, 20845572, 24319834, 26530728, 36479751, 41691144, 48639668, 72959502, 97279336, 145919004, 291838008]

約数ペア:

[(1, 291838008), (2, 145919004), (3, 97279336), (4, 72959502), (6, 48639668), (7, 41691144), (8, 36479751), (11, 26530728), (12, 24319834), (14, 20845572), (21, 13897048), (22, 13265364), (24, 12159917), (28, 10422786), (33, 8843576), (42, 6948524), (44, 6632682), (56, 5211393), (66, 4421788), (77, 3790104), (79, 3694152), (84, 3474262), (88, 3316341), (132, 2210894), (154, 1895052), (158, 1847076), (168, 1737131), (231, 1263368), (237, 1231384), (264, 1105447), (308, 947526), (316, 923538), (462, 631684), (474, 615692), (553, 527736), (616, 473763), (632, 461769), (869, 335832), (924, 315842), (948, 307846), (1106, 263868), (1659, 175912), (1738, 167916), (1848, 157921), (1896, 153923), (1999, 145992), (2212, 131934), (2607, 111944), (3318, 87956), (3476, 83958), (3998, 72996), (4424, 65967), (5214, 55972), (5997, 48664), (6083, 47976), (6636, 43978), (6952, 41979), (7996, 36498), (10428, 27986), (11994, 24332), (12166, 23988), (13272, 21989), (13993, 20856), (15992, 18249)]