49980140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4519}}^1$

素因数の和:4614

約数の個数: 48

約数和(自身を含む): 121497600

約数和(自身を除く): 71517460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 4519, 5530, 9038, 11060, 18076, 22595, 31633, 45190, 63266, 90380, 126532, 158165, 316330, 357001, 632660, 714002, 1428004, 1785005, 2499007, 3570010, 4998014, 7140020, 9996028, 12495035, 24990070, 49980140]

約数ペア:

[(1, 49980140), (2, 24990070), (4, 12495035), (5, 9996028), (7, 7140020), (10, 4998014), (14, 3570010), (20, 2499007), (28, 1785005), (35, 1428004), (70, 714002), (79, 632660), (140, 357001), (158, 316330), (316, 158165), (395, 126532), (553, 90380), (790, 63266), (1106, 45190), (1580, 31633), (2212, 22595), (2765, 18076), (4519, 11060), (5530, 9038)]