2780212.00000000

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1371

約数の個数: 64

約数和(自身を含む): 163159200

約数和(自身を除く): 92707616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 427, 448, 488, 854, 896, 976, 1289, 1708, 1952, 2578, 3416, 3904, 5156, 6832, 7808, 9023, 10312, 13664, 18046, 20624, 27328, 36092, 41248, 54656, 72184, 78629, 82496, 144368, 157258, 164992, 288736, 314516, 550403, 577472, 629032, 1100806, 1154944, 1258064, 2201612, 2516128, 4403224, 5032256, 8806448, 10064512, 17612896, 35225792, 70451584]

約数ペア:

[(1, 70451584), (2, 35225792), (4, 17612896), (7, 10064512), (8, 8806448), (14, 5032256), (16, 4403224), (28, 2516128), (32, 2201612), (56, 1258064), (61, 1154944), (64, 1100806), (112, 629032), (122, 577472), (128, 550403), (224, 314516), (244, 288736), (427, 164992), (448, 157258), (488, 144368), (854, 82496), (896, 78629), (976, 72184), (1289, 54656), (1708, 41248), (1952, 36092), (2578, 27328), (3416, 20624), (3904, 18046), (5156, 13664), (6832, 10312), (7808, 9023)]