278020344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 821882880

約数和(自身を除く): 543862536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 181, 223, 246, 287, 328, 362, 446, 492, 543, 574, 669, 724, 861, 892, 984, 1086, 1148, 1267, 1338, 1448, 1561, 1722, 1784, 2172, 2296, 2534, 2676, 3122, 3444, 3801, 4344, 4683, 5068, 5352, 6244, 6888, 7421, 7602, 9143, 9366, 10136, 12488, 14842, 15204, 18286, 18732, 22263, 27429, 29684, 30408, 36572, 37464, 40363, 44526, 51947, 54858, 59368, 64001, 73144, 80726, 89052, 103894, 109716, 121089, 128002, 155841, 161452, 178104, 192003, 207788, 219432, 242178, 256004, 282541, 311682, 322904, 384006, 415576, 484356, 512008, 565082, 623364, 768012, 847623, 968712, 1130164, 1246728, 1536024, 1654883, 1695246, 2260328, 3309766, 3390492, 4964649, 6619532, 6780984, 9929298, 11584181, 13239064, 19858596, 23168362, 34752543, 39717192, 46336724, 69505086, 92673448, 139010172, 278020344]

約数ペア:

[(1, 278020344), (2, 139010172), (3, 92673448), (4, 69505086), (6, 46336724), (7, 39717192), (8, 34752543), (12, 23168362), (14, 19858596), (21, 13239064), (24, 11584181), (28, 9929298), (41, 6780984), (42, 6619532), (56, 4964649), (82, 3390492), (84, 3309766), (123, 2260328), (164, 1695246), (168, 1654883), (181, 1536024), (223, 1246728), (246, 1130164), (287, 968712), (328, 847623), (362, 768012), (446, 623364), (492, 565082), (543, 512008), (574, 484356), (669, 415576), (724, 384006), (861, 322904), (892, 311682), (984, 282541), (1086, 256004), (1148, 242178), (1267, 219432), (1338, 207788), (1448, 192003), (1561, 178104), (1722, 161452), (1784, 155841), (2172, 128002), (2296, 121089), (2534, 109716), (2676, 103894), (3122, 89052), (3444, 80726), (3801, 73144), (4344, 64001), (4683, 59368), (5068, 54858), (5352, 51947), (6244, 44526), (6888, 40363), (7421, 37464), (7602, 36572), (9143, 30408), (9366, 29684), (10136, 27429), (12488, 22263), (14842, 18732), (15204, 18286)]