123896220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{294991}}^1$

素因数の和:295010

約数の個数: 48

約数和(自身を含む): 396469248

約数和(自身を除く): 272573028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 294991, 589982, 884973, 1179964, 1474955, 1769946, 2064937, 2949910, 3539892, 4129874, 4424865, 5899820, 6194811, 8259748, 8849730, 10324685, 12389622, 17699460, 20649370, 24779244, 30974055, 41298740, 61948110, 123896220]

約数ペア:

[(1, 123896220), (2, 61948110), (3, 41298740), (4, 30974055), (5, 24779244), (6, 20649370), (7, 17699460), (10, 12389622), (12, 10324685), (14, 8849730), (15, 8259748), (20, 6194811), (21, 5899820), (28, 4424865), (30, 4129874), (35, 3539892), (42, 2949910), (60, 2064937), (70, 1769946), (84, 1474955), (105, 1179964), (140, 884973), (210, 589982), (420, 294991)]