28493920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 88058880

約数和(自身を除く): 59564960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 103, 104, 112, 130, 133, 140, 152, 160, 182, 190, 206, 208, 224, 247, 260, 266, 280, 304, 364, 380, 412, 416, 455, 494, 515, 520, 532, 560, 608, 665, 721, 728, 760, 824, 910, 988, 1030, 1040, 1064, 1120, 1235, 1330, 1339, 1442, 1456, 1520, 1648, 1729, 1820, 1957, 1976, 2060, 2080, 2128, 2470, 2660, 2678, 2884, 2912, 3040, 3296, 3458, 3605, 3640, 3914, 3952, 4120, 4256, 4940, 5320, 5356, 5768, 6695, 6916, 7210, 7280, 7828, 7904, 8240, 8645, 9373, 9785, 9880, 10640, 10712, 11536, 13390, 13699, 13832, 14420, 14560, 15656, 16480, 17290, 18746, 19570, 19760, 21280, 21424, 23072, 25441, 26780, 27398, 27664, 28840, 31312, 34580, 37492, 39140, 39520, 42848, 46865, 50882, 53560, 54796, 55328, 57680, 62624, 68495, 69160, 74984, 78280, 93730, 101764, 107120, 109592, 115360, 127205, 136990, 138320, 149968, 156560, 178087, 187460, 203528, 214240, 219184, 254410, 273980, 276640, 299936, 313120, 356174, 374920, 407056, 438368, 508820, 547960, 712348, 749840, 814112, 890435, 1017640, 1095920, 1424696, 1499680, 1780870, 2035280, 2191840, 2849392, 3561740, 4070560, 5698784, 7123480, 14246960, 28493920]

約数ペア:

[(1, 28493920), (2, 14246960), (4, 7123480), (5, 5698784), (7, 4070560), (8, 3561740), (10, 2849392), (13, 2191840), (14, 2035280), (16, 1780870), (19, 1499680), (20, 1424696), (26, 1095920), (28, 1017640), (32, 890435), (35, 814112), (38, 749840), (40, 712348), (52, 547960), (56, 508820), (65, 438368), (70, 407056), (76, 374920), (80, 356174), (91, 313120), (95, 299936), (103, 276640), (104, 273980), (112, 254410), (130, 219184), (133, 214240), (140, 203528), (152, 187460), (160, 178087), (182, 156560), (190, 149968), (206, 138320), (208, 136990), (224, 127205), (247, 115360), (260, 109592), (266, 107120), (280, 101764), (304, 93730), (364, 78280), (380, 74984), (412, 69160), (416, 68495), (455, 62624), (494, 57680), (515, 55328), (520, 54796), (532, 53560), (560, 50882), (608, 46865), (665, 42848), (721, 39520), (728, 39140), (760, 37492), (824, 34580), (910, 31312), (988, 28840), (1030, 27664), (1040, 27398), (1064, 26780), (1120, 25441), (1235, 23072), (1330, 21424), (1339, 21280), (1442, 19760), (1456, 19570), (1520, 18746), (1648, 17290), (1729, 16480), (1820, 15656), (1957, 14560), (1976, 14420), (2060, 13832), (2080, 13699), (2128, 13390), (2470, 11536), (2660, 10712), (2678, 10640), (2884, 9880), (2912, 9785), (3040, 9373), (3296, 8645), (3458, 8240), (3605, 7904), (3640, 7828), (3914, 7280), (3952, 7210), (4120, 6916), (4256, 6695), (4940, 5768), (5320, 5356)]