3954020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 9666048

約数和(自身を除く): 5712028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 463, 610, 854, 926, 1220, 1708, 1852, 2135, 2315, 3241, 4270, 4630, 6482, 8540, 9260, 12964, 16205, 28243, 32410, 56486, 64820, 112972, 141215, 197701, 282430, 395402, 564860, 790804, 988505, 1977010, 3954020]

約数ペア:

[(1, 3954020), (2, 1977010), (4, 988505), (5, 790804), (7, 564860), (10, 395402), (14, 282430), (20, 197701), (28, 141215), (35, 112972), (61, 64820), (70, 56486), (122, 32410), (140, 28243), (244, 16205), (305, 12964), (427, 9260), (463, 8540), (610, 6482), (854, 4630), (926, 4270), (1220, 3241), (1708, 2315), (1852, 2135)]