1808749670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1110

約数の個数: 128

約数和(自身を含む): 4232632320

約数和(自身を除く): 2423882650

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 89, 91, 115, 130, 161, 178, 182, 230, 299, 322, 445, 455, 598, 623, 805, 890, 910, 971, 1157, 1246, 1495, 1610, 1942, 2047, 2093, 2314, 2990, 3115, 4094, 4186, 4855, 5785, 6230, 6797, 8099, 9710, 10235, 10465, 11570, 12623, 13594, 14329, 16198, 20470, 20930, 22333, 25246, 26611, 28658, 33985, 40495, 44666, 53222, 63115, 67970, 71645, 80990, 86419, 88361, 111665, 126230, 133055, 143290, 156331, 172838, 176722, 186277, 223330, 266110, 290329, 312662, 372554, 432095, 441805, 580658, 604933, 781655, 864190, 883610, 931385, 1123447, 1209866, 1451645, 1563310, 1862770, 1987637, 2032303, 2246894, 2903290, 3024665, 3975274, 4064606, 5617235, 6049330, 7864129, 9938185, 10161515, 11234470, 13913459, 15728258, 19876370, 20323030, 25839281, 27826918, 39320645, 51678562, 69567295, 78641290, 129196405, 139134590, 180874967, 258392810, 361749934, 904374835, 1808749670]

約数ペア:

[(1, 1808749670), (2, 904374835), (5, 361749934), (7, 258392810), (10, 180874967), (13, 139134590), (14, 129196405), (23, 78641290), (26, 69567295), (35, 51678562), (46, 39320645), (65, 27826918), (70, 25839281), (89, 20323030), (91, 19876370), (115, 15728258), (130, 13913459), (161, 11234470), (178, 10161515), (182, 9938185), (230, 7864129), (299, 6049330), (322, 5617235), (445, 4064606), (455, 3975274), (598, 3024665), (623, 2903290), (805, 2246894), (890, 2032303), (910, 1987637), (971, 1862770), (1157, 1563310), (1246, 1451645), (1495, 1209866), (1610, 1123447), (1942, 931385), (2047, 883610), (2093, 864190), (2314, 781655), (2990, 604933), (3115, 580658), (4094, 441805), (4186, 432095), (4855, 372554), (5785, 312662), (6230, 290329), (6797, 266110), (8099, 223330), (9710, 186277), (10235, 176722), (10465, 172838), (11570, 156331), (12623, 143290), (13594, 133055), (14329, 126230), (16198, 111665), (20470, 88361), (20930, 86419), (22333, 80990), (25246, 71645), (26611, 67970), (28658, 63115), (33985, 53222), (40495, 44666)]