2012191720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17657}}^1$

素因数の和:17723

約数の個数: 128

約数和(自身を含む): 5797474560

約数和(自身を除く): 3785282840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 740, 770, 814, 1036, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 3080, 3256, 4070, 5180, 5698, 8140, 10360, 11396, 14245, 16280, 17657, 22792, 28490, 35314, 56980, 70628, 88285, 113960, 123599, 141256, 176570, 194227, 247198, 353140, 388454, 494396, 617995, 653309, 706280, 776908, 971135, 988792, 1235990, 1306618, 1359589, 1553816, 1942270, 2471980, 2613236, 2719178, 3266545, 3884540, 4573163, 4943960, 5226472, 5438356, 6533090, 6797945, 7186399, 7769080, 9146326, 10876712, 13066180, 13595890, 14372798, 18292652, 22865815, 26132360, 27191780, 28745596, 35931995, 36585304, 45731630, 50304793, 54383560, 57491192, 71863990, 91463260, 100609586, 143727980, 182926520, 201219172, 251523965, 287455960, 402438344, 503047930, 1006095860, 2012191720]

約数ペア:

[(1, 2012191720), (2, 1006095860), (4, 503047930), (5, 402438344), (7, 287455960), (8, 251523965), (10, 201219172), (11, 182926520), (14, 143727980), (20, 100609586), (22, 91463260), (28, 71863990), (35, 57491192), (37, 54383560), (40, 50304793), (44, 45731630), (55, 36585304), (56, 35931995), (70, 28745596), (74, 27191780), (77, 26132360), (88, 22865815), (110, 18292652), (140, 14372798), (148, 13595890), (154, 13066180), (185, 10876712), (220, 9146326), (259, 7769080), (280, 7186399), (296, 6797945), (308, 6533090), (370, 5438356), (385, 5226472), (407, 4943960), (440, 4573163), (518, 3884540), (616, 3266545), (740, 2719178), (770, 2613236), (814, 2471980), (1036, 1942270), (1295, 1553816), (1480, 1359589), (1540, 1306618), (1628, 1235990), (2035, 988792), (2072, 971135), (2590, 776908), (2849, 706280), (3080, 653309), (3256, 617995), (4070, 494396), (5180, 388454), (5698, 353140), (8140, 247198), (10360, 194227), (11396, 176570), (14245, 141256), (16280, 123599), (17657, 113960), (22792, 88285), (28490, 70628), (35314, 56980)]