2000989908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{4447}}^1$

素因数の和:4917

約数の個数: 72

約数和(自身を含む): 5245793280

約数和(自身を除く): 3244803372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 431, 522, 862, 1044, 1293, 1724, 2586, 3879, 4447, 5172, 7758, 8894, 12499, 13341, 15516, 17788, 24998, 26682, 37497, 40023, 49996, 53364, 74994, 80046, 112491, 128963, 149988, 160092, 224982, 257926, 386889, 449964, 515852, 773778, 1160667, 1547556, 1916657, 2321334, 3833314, 4642668, 5749971, 7666628, 11499942, 17249913, 22999884, 34499826, 55583053, 68999652, 111166106, 166749159, 222332212, 333498318, 500247477, 666996636, 1000494954, 2000989908]

約数ペア:

[(1, 2000989908), (2, 1000494954), (3, 666996636), (4, 500247477), (6, 333498318), (9, 222332212), (12, 166749159), (18, 111166106), (29, 68999652), (36, 55583053), (58, 34499826), (87, 22999884), (116, 17249913), (174, 11499942), (261, 7666628), (348, 5749971), (431, 4642668), (522, 3833314), (862, 2321334), (1044, 1916657), (1293, 1547556), (1724, 1160667), (2586, 773778), (3879, 515852), (4447, 449964), (5172, 386889), (7758, 257926), (8894, 224982), (12499, 160092), (13341, 149988), (15516, 128963), (17788, 112491), (24998, 80046), (26682, 74994), (37497, 53364), (40023, 49996)]