208193080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 510209280

約数和(自身を除く): 302016200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 47, 73, 74, 82, 94, 146, 148, 164, 185, 188, 205, 235, 292, 296, 328, 365, 370, 376, 410, 470, 584, 730, 740, 820, 940, 1460, 1480, 1517, 1640, 1739, 1880, 1927, 2701, 2920, 2993, 3034, 3431, 3478, 3854, 5402, 5986, 6068, 6862, 6956, 7585, 7708, 8695, 9635, 10804, 11972, 12136, 13505, 13724, 13912, 14965, 15170, 15416, 17155, 17390, 19270, 21608, 23944, 27010, 27448, 29930, 30340, 34310, 34780, 38540, 54020, 59860, 60680, 68620, 69560, 71299, 77080, 108040, 110741, 119720, 126947, 137240, 140671, 142598, 221482, 253894, 281342, 285196, 356495, 442964, 507788, 553705, 562684, 570392, 634735, 703355, 712990, 885928, 1015576, 1107410, 1125368, 1269470, 1406710, 1425980, 2214820, 2538940, 2813420, 2851960, 4429640, 5077880, 5204827, 5626840, 10409654, 20819308, 26024135, 41638616, 52048270, 104096540, 208193080]

約数ペア:

[(1, 208193080), (2, 104096540), (4, 52048270), (5, 41638616), (8, 26024135), (10, 20819308), (20, 10409654), (37, 5626840), (40, 5204827), (41, 5077880), (47, 4429640), (73, 2851960), (74, 2813420), (82, 2538940), (94, 2214820), (146, 1425980), (148, 1406710), (164, 1269470), (185, 1125368), (188, 1107410), (205, 1015576), (235, 885928), (292, 712990), (296, 703355), (328, 634735), (365, 570392), (370, 562684), (376, 553705), (410, 507788), (470, 442964), (584, 356495), (730, 285196), (740, 281342), (820, 253894), (940, 221482), (1460, 142598), (1480, 140671), (1517, 137240), (1640, 126947), (1739, 119720), (1880, 110741), (1927, 108040), (2701, 77080), (2920, 71299), (2993, 69560), (3034, 68620), (3431, 60680), (3478, 59860), (3854, 54020), (5402, 38540), (5986, 34780), (6068, 34310), (6862, 30340), (6956, 29930), (7585, 27448), (7708, 27010), (8695, 23944), (9635, 21608), (10804, 19270), (11972, 17390), (12136, 17155), (13505, 15416), (13724, 15170), (13912, 14965)]