690232228

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2649

約数の個数: 72

約数和(自身を含む): 1499920800

約数和(自身を除く): 809688572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 931, 1022, 1387, 1862, 2044, 2539, 2774, 3577, 3724, 5078, 5548, 7154, 9709, 10156, 14308, 17773, 19418, 35546, 38836, 48241, 67963, 71092, 96482, 124411, 135926, 185347, 192964, 248822, 271852, 337687, 370694, 497644, 675374, 741388, 1297429, 1350748, 2363809, 2594858, 3521593, 4727618, 5189716, 7043186, 9082003, 9455236, 14086372, 18164006, 24651151, 36328012, 49302302, 98604604, 172558057, 345116114, 690232228]

約数ペア:

[(1, 690232228), (2, 345116114), (4, 172558057), (7, 98604604), (14, 49302302), (19, 36328012), (28, 24651151), (38, 18164006), (49, 14086372), (73, 9455236), (76, 9082003), (98, 7043186), (133, 5189716), (146, 4727618), (196, 3521593), (266, 2594858), (292, 2363809), (511, 1350748), (532, 1297429), (931, 741388), (1022, 675374), (1387, 497644), (1862, 370694), (2044, 337687), (2539, 271852), (2774, 248822), (3577, 192964), (3724, 185347), (5078, 135926), (5548, 124411), (7154, 96482), (9709, 71092), (10156, 67963), (14308, 48241), (17773, 38836), (19418, 35546)]