140903168

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 326958240

約数和(自身を除く): 186055072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1289, 1708, 1792, 1952, 2578, 3416, 3904, 5156, 6832, 7808, 9023, 10312, 13664, 15616, 18046, 20624, 27328, 36092, 41248, 54656, 72184, 78629, 82496, 109312, 144368, 157258, 164992, 288736, 314516, 329984, 550403, 577472, 629032, 1100806, 1154944, 1258064, 2201612, 2309888, 2516128, 4403224, 5032256, 8806448, 10064512, 17612896, 20129024, 35225792, 70451584, 140903168]

約数ペア:

[(1, 140903168), (2, 70451584), (4, 35225792), (7, 20129024), (8, 17612896), (14, 10064512), (16, 8806448), (28, 5032256), (32, 4403224), (56, 2516128), (61, 2309888), (64, 2201612), (112, 1258064), (122, 1154944), (128, 1100806), (224, 629032), (244, 577472), (256, 550403), (427, 329984), (448, 314516), (488, 288736), (854, 164992), (896, 157258), (976, 144368), (1289, 109312), (1708, 82496), (1792, 78629), (1952, 72184), (2578, 54656), (3416, 41248), (3904, 36092), (5156, 27328), (6832, 20624), (7808, 18046), (9023, 15616), (10312, 13664)]