123962020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68111}}^1$

素因数の和:68140

約数の個数: 48

約数和(自身を含む): 320398848

約数和(自身を除く): 196436828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 68111, 136222, 272444, 340555, 476777, 681110, 885443, 953554, 1362220, 1770886, 1907108, 2383885, 3541772, 4427215, 4767770, 6198101, 8854430, 9535540, 12396202, 17708860, 24792404, 30990505, 61981010, 123962020]

約数ペア:

[(1, 123962020), (2, 61981010), (4, 30990505), (5, 24792404), (7, 17708860), (10, 12396202), (13, 9535540), (14, 8854430), (20, 6198101), (26, 4767770), (28, 4427215), (35, 3541772), (52, 2383885), (65, 1907108), (70, 1770886), (91, 1362220), (130, 953554), (140, 885443), (182, 681110), (260, 476777), (364, 340555), (455, 272444), (910, 136222), (1820, 68111)]