440389728

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{20947}}^1$

素因数の和:21036

約数の個数: 72

約数和(自身を含む): 1269574488

約数和(自身を除く): 829184760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2336, 2628, 3504, 5256, 7008, 10512, 20947, 21024, 41894, 62841, 83788, 125682, 167576, 188523, 251364, 335152, 377046, 502728, 670304, 754092, 1005456, 1508184, 1529131, 2010912, 3016368, 3058262, 4587393, 6032736, 6116524, 9174786, 12233048, 13762179, 18349572, 24466096, 27524358, 36699144, 48932192, 55048716, 73398288, 110097432, 146796576, 220194864, 440389728]

約数ペア:

[(1, 440389728), (2, 220194864), (3, 146796576), (4, 110097432), (6, 73398288), (8, 55048716), (9, 48932192), (12, 36699144), (16, 27524358), (18, 24466096), (24, 18349572), (32, 13762179), (36, 12233048), (48, 9174786), (72, 6116524), (73, 6032736), (96, 4587393), (144, 3058262), (146, 3016368), (219, 2010912), (288, 1529131), (292, 1508184), (438, 1005456), (584, 754092), (657, 670304), (876, 502728), (1168, 377046), (1314, 335152), (1752, 251364), (2336, 188523), (2628, 167576), (3504, 125682), (5256, 83788), (7008, 62841), (10512, 41894), (20947, 21024)]