139156640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{124247}}^1$

素因数の和:124269

約数の個数: 48

約数和(自身を含む): 375725952

約数和(自身を除く): 236569312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 124247, 248494, 496988, 621235, 869729, 993976, 1242470, 1739458, 1987952, 2484940, 3478916, 3975904, 4348645, 4969880, 6957832, 8697290, 9939760, 13915664, 17394580, 19879520, 27831328, 34789160, 69578320, 139156640]

約数ペア:

[(1, 139156640), (2, 69578320), (4, 34789160), (5, 27831328), (7, 19879520), (8, 17394580), (10, 13915664), (14, 9939760), (16, 8697290), (20, 6957832), (28, 4969880), (32, 4348645), (35, 3975904), (40, 3478916), (56, 2484940), (70, 1987952), (80, 1739458), (112, 1242470), (140, 993976), (160, 869729), (224, 621235), (280, 496988), (560, 248494), (1120, 124247)]