12347860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 17650220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 991, 1246, 1780, 1982, 2492, 3115, 3964, 4955, 6230, 6937, 9910, 12460, 13874, 19820, 27748, 34685, 69370, 88199, 138740, 176398, 352796, 440995, 617393, 881990, 1234786, 1763980, 2469572, 3086965, 6173930, 12347860]

約数ペア:

[(1, 12347860), (2, 6173930), (4, 3086965), (5, 2469572), (7, 1763980), (10, 1234786), (14, 881990), (20, 617393), (28, 440995), (35, 352796), (70, 176398), (89, 138740), (140, 88199), (178, 69370), (356, 34685), (445, 27748), (623, 19820), (890, 13874), (991, 12460), (1246, 9910), (1780, 6937), (1982, 6230), (2492, 4955), (3115, 3964)]