220293920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17881}}^1$

素因数の和:17914

約数の個数: 96

約数和(自身を含む): 648902016

約数和(自身を除く): 428608096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 17881, 35762, 71524, 89405, 125167, 143048, 178810, 196691, 250334, 286096, 357620, 393382, 500668, 572192, 625835, 715240, 786764, 983455, 1001336, 1251670, 1376837, 1430480, 1573528, 1966910, 2002672, 2503340, 2753674, 2860960, 3147056, 3933820, 4005344, 5006680, 5507348, 6294112, 6884185, 7867640, 10013360, 11014696, 13768370, 15735280, 20026720, 22029392, 27536740, 31470560, 44058784, 55073480, 110146960, 220293920]

約数ペア:

[(1, 220293920), (2, 110146960), (4, 55073480), (5, 44058784), (7, 31470560), (8, 27536740), (10, 22029392), (11, 20026720), (14, 15735280), (16, 13768370), (20, 11014696), (22, 10013360), (28, 7867640), (32, 6884185), (35, 6294112), (40, 5507348), (44, 5006680), (55, 4005344), (56, 3933820), (70, 3147056), (77, 2860960), (80, 2753674), (88, 2503340), (110, 2002672), (112, 1966910), (140, 1573528), (154, 1430480), (160, 1376837), (176, 1251670), (220, 1001336), (224, 983455), (280, 786764), (308, 715240), (352, 625835), (385, 572192), (440, 500668), (560, 393382), (616, 357620), (770, 286096), (880, 250334), (1120, 196691), (1232, 178810), (1540, 143048), (1760, 125167), (2464, 89405), (3080, 71524), (6160, 35762), (12320, 17881)]