2121538930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 4633251840

約数和(自身を除く): 2511712910

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 83, 139, 142, 166, 185, 259, 278, 355, 370, 415, 497, 518, 581, 695, 710, 830, 973, 994, 1162, 1295, 1390, 1946, 2485, 2590, 2627, 2905, 3071, 4865, 4970, 5143, 5254, 5810, 5893, 6142, 9730, 9869, 10286, 11537, 11786, 13135, 15355, 18389, 19738, 21497, 23074, 25715, 26270, 29465, 30710, 36001, 36778, 41251, 42994, 49345, 51430, 57685, 58930, 69083, 72002, 80759, 82502, 91945, 98690, 107485, 115370, 138166, 161518, 180005, 183890, 206255, 214970, 218041, 345415, 360010, 365153, 403795, 412510, 426869, 436082, 690830, 730306, 807590, 819127, 853738, 1090205, 1526287, 1638254, 1825765, 2134345, 2180410, 2556071, 2988083, 3052574, 3651530, 4095635, 4268690, 5112142, 5733889, 5976166, 7631435, 8191270, 11467778, 12780355, 14940415, 15262870, 25560710, 28669445, 29880830, 30307699, 57338890, 60615398, 151538495, 212153893, 303076990, 424307786, 1060769465, 2121538930]

約数ペア:

[(1, 2121538930), (2, 1060769465), (5, 424307786), (7, 303076990), (10, 212153893), (14, 151538495), (35, 60615398), (37, 57338890), (70, 30307699), (71, 29880830), (74, 28669445), (83, 25560710), (139, 15262870), (142, 14940415), (166, 12780355), (185, 11467778), (259, 8191270), (278, 7631435), (355, 5976166), (370, 5733889), (415, 5112142), (497, 4268690), (518, 4095635), (581, 3651530), (695, 3052574), (710, 2988083), (830, 2556071), (973, 2180410), (994, 2134345), (1162, 1825765), (1295, 1638254), (1390, 1526287), (1946, 1090205), (2485, 853738), (2590, 819127), (2627, 807590), (2905, 730306), (3071, 690830), (4865, 436082), (4970, 426869), (5143, 412510), (5254, 403795), (5810, 365153), (5893, 360010), (6142, 345415), (9730, 218041), (9869, 214970), (10286, 206255), (11537, 183890), (11786, 180005), (13135, 161518), (15355, 138166), (18389, 115370), (19738, 107485), (21497, 98690), (23074, 91945), (25715, 82502), (26270, 80759), (29465, 72002), (30710, 69083), (36001, 58930), (36778, 57685), (41251, 51430), (42994, 49345)]