161508620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88741}}^1$

素因数の和:88770

約数の個数: 48

約数和(自身を含む): 417442368

約数和(自身を除く): 255933748

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, 88741, 177482, 354964, 443705, 621187, 887410, 1153633, 1242374, 1774820, 2307266, 2484748, 3105935, 4614532, 5768165, 6211870, 8075431, 11536330, 12423740, 16150862, 23072660, 32301724, 40377155, 80754310, 161508620]

約数ペア:

[(1, 161508620), (2, 80754310), (4, 40377155), (5, 32301724), (7, 23072660), (10, 16150862), (13, 12423740), (14, 11536330), (20, 8075431), (26, 6211870), (28, 5768165), (35, 4614532), (52, 3105935), (65, 2484748), (70, 2307266), (91, 1774820), (130, 1242374), (140, 1153633), (182, 887410), (260, 621187), (364, 443705), (455, 354964), (910, 177482), (1820, 88741)]