2021855872

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 4362336000

約数和(自身を除く): 2340480128

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 53, 58, 64, 86, 106, 116, 128, 172, 212, 232, 239, 344, 424, 464, 478, 688, 848, 928, 956, 1247, 1376, 1537, 1696, 1856, 1912, 2279, 2494, 2752, 3074, 3392, 3712, 3824, 4558, 4988, 5504, 6148, 6784, 6931, 7648, 9116, 9976, 10277, 12296, 12667, 13862, 15296, 18232, 19952, 20554, 24592, 25334, 27724, 30592, 36464, 39904, 41108, 49184, 50668, 55448, 66091, 72928, 79808, 82216, 98368, 101336, 110896, 132182, 145856, 159616, 164432, 196736, 202672, 221792, 264364, 291712, 298033, 328864, 367343, 405344, 443584, 528728, 544681, 596066, 657728, 734686, 810688, 887168, 1057456, 1089362, 1192132, 1315456, 1469372, 1621376, 2114912, 2178724, 2384264, 2938744, 4229824, 4357448, 4768528, 5877488, 8459648, 8714896, 9537056, 11754976, 15795749, 17429792, 19074112, 23509952, 31591498, 34859584, 38148224, 47019904, 63182996, 69719168, 126365992, 252731984, 505463968, 1010927936, 2021855872]

約数ペア:

[(1, 2021855872), (2, 1010927936), (4, 505463968), (8, 252731984), (16, 126365992), (29, 69719168), (32, 63182996), (43, 47019904), (53, 38148224), (58, 34859584), (64, 31591498), (86, 23509952), (106, 19074112), (116, 17429792), (128, 15795749), (172, 11754976), (212, 9537056), (232, 8714896), (239, 8459648), (344, 5877488), (424, 4768528), (464, 4357448), (478, 4229824), (688, 2938744), (848, 2384264), (928, 2178724), (956, 2114912), (1247, 1621376), (1376, 1469372), (1537, 1315456), (1696, 1192132), (1856, 1089362), (1912, 1057456), (2279, 887168), (2494, 810688), (2752, 734686), (3074, 657728), (3392, 596066), (3712, 544681), (3824, 528728), (4558, 443584), (4988, 405344), (5504, 367343), (6148, 328864), (6784, 298033), (6931, 291712), (7648, 264364), (9116, 221792), (9976, 202672), (10277, 196736), (12296, 164432), (12667, 159616), (13862, 145856), (15296, 132182), (18232, 110896), (19952, 101336), (20554, 98368), (24592, 82216), (25334, 79808), (27724, 72928), (30592, 66091), (36464, 55448), (39904, 50668), (41108, 49184)]