278329712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 596613600

約数和(自身を除く): 318283888

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 53, 68, 86, 106, 136, 172, 212, 272, 344, 424, 449, 688, 731, 848, 898, 901, 1462, 1796, 1802, 2279, 2924, 3592, 3604, 4558, 5848, 7184, 7208, 7633, 9116, 11696, 14416, 15266, 18232, 19307, 23797, 30532, 36464, 38614, 38743, 47594, 61064, 77228, 77486, 95188, 122128, 154456, 154972, 190376, 308912, 309944, 328219, 380752, 404549, 619888, 656438, 809098, 1023271, 1312876, 1618196, 2046542, 2625752, 3236392, 4093084, 5251504, 6472784, 8186168, 16372336, 17395607, 34791214, 69582428, 139164856, 278329712]

約数ペア:

[(1, 278329712), (2, 139164856), (4, 69582428), (8, 34791214), (16, 17395607), (17, 16372336), (34, 8186168), (43, 6472784), (53, 5251504), (68, 4093084), (86, 3236392), (106, 2625752), (136, 2046542), (172, 1618196), (212, 1312876), (272, 1023271), (344, 809098), (424, 656438), (449, 619888), (688, 404549), (731, 380752), (848, 328219), (898, 309944), (901, 308912), (1462, 190376), (1796, 154972), (1802, 154456), (2279, 122128), (2924, 95188), (3592, 77486), (3604, 77228), (4558, 61064), (5848, 47594), (7184, 38743), (7208, 38614), (7633, 36464), (9116, 30532), (11696, 23797), (14416, 19307), (15266, 18232)]