2499013912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 5287680000

約数和(自身を除く): 2788666088

約数列:

[1, 2, 4, 8, 19, 31, 38, 59, 62, 76, 89, 101, 118, 124, 152, 178, 202, 236, 248, 356, 404, 472, 589, 712, 808, 1121, 1178, 1691, 1829, 1919, 2242, 2356, 2759, 3131, 3382, 3658, 3838, 4484, 4712, 5251, 5518, 5959, 6262, 6764, 7316, 7676, 8968, 8989, 10502, 11036, 11918, 12524, 13528, 14632, 15352, 17978, 21004, 22072, 23836, 25048, 34751, 35956, 42008, 47672, 52421, 59489, 69502, 71912, 99769, 104842, 113221, 118978, 139004, 162781, 170791, 184729, 199538, 209684, 226442, 237956, 278008, 278659, 325562, 341582, 369458, 399076, 419368, 452884, 475912, 530351, 557318, 651124, 683164, 738916, 798152, 905768, 1060702, 1114636, 1302248, 1366328, 1477832, 2121404, 2229272, 3092839, 3509851, 4242808, 5294521, 6185678, 7019702, 10076669, 10589042, 12371356, 14039404, 16440881, 20153338, 21178084, 24742712, 28078808, 32881762, 40306676, 42356168, 65763524, 80613352, 131527048, 312376739, 624753478, 1249506956, 2499013912]

約数ペア:

[(1, 2499013912), (2, 1249506956), (4, 624753478), (8, 312376739), (19, 131527048), (31, 80613352), (38, 65763524), (59, 42356168), (62, 40306676), (76, 32881762), (89, 28078808), (101, 24742712), (118, 21178084), (124, 20153338), (152, 16440881), (178, 14039404), (202, 12371356), (236, 10589042), (248, 10076669), (356, 7019702), (404, 6185678), (472, 5294521), (589, 4242808), (712, 3509851), (808, 3092839), (1121, 2229272), (1178, 2121404), (1691, 1477832), (1829, 1366328), (1919, 1302248), (2242, 1114636), (2356, 1060702), (2759, 905768), (3131, 798152), (3382, 738916), (3658, 683164), (3838, 651124), (4484, 557318), (4712, 530351), (5251, 475912), (5518, 452884), (5959, 419368), (6262, 399076), (6764, 369458), (7316, 341582), (7676, 325562), (8968, 278659), (8989, 278008), (10502, 237956), (11036, 226442), (11918, 209684), (12524, 199538), (13528, 184729), (14632, 170791), (15352, 162781), (17978, 139004), (21004, 118978), (22072, 113221), (23836, 104842), (25048, 99769), (34751, 71912), (35956, 69502), (42008, 59489), (47672, 52421)]