209954896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 456667200

約数和(自身を除く): 246712304

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 43, 58, 68, 86, 116, 136, 172, 232, 272, 344, 464, 493, 619, 688, 731, 986, 1238, 1247, 1462, 1972, 2476, 2494, 2924, 3944, 4952, 4988, 5848, 7888, 9904, 9976, 10523, 11696, 17951, 19952, 21046, 21199, 26617, 35902, 42092, 42398, 53234, 71804, 84184, 84796, 106468, 143608, 168368, 169592, 212936, 287216, 305167, 339184, 425872, 452489, 610334, 771893, 904978, 1220668, 1543786, 1809956, 2441336, 3087572, 3619912, 4882672, 6175144, 7239824, 12350288, 13122181, 26244362, 52488724, 104977448, 209954896]

約数ペア:

[(1, 209954896), (2, 104977448), (4, 52488724), (8, 26244362), (16, 13122181), (17, 12350288), (29, 7239824), (34, 6175144), (43, 4882672), (58, 3619912), (68, 3087572), (86, 2441336), (116, 1809956), (136, 1543786), (172, 1220668), (232, 904978), (272, 771893), (344, 610334), (464, 452489), (493, 425872), (619, 339184), (688, 305167), (731, 287216), (986, 212936), (1238, 169592), (1247, 168368), (1462, 143608), (1972, 106468), (2476, 84796), (2494, 84184), (2924, 71804), (3944, 53234), (4952, 42398), (4988, 42092), (5848, 35902), (7888, 26617), (9904, 21199), (9976, 21046), (10523, 19952), (11696, 17951)]