208883125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1375

約数の個数: 40

約数和(自身を含む): 297354816

約数和(自身を除く): 88471691

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 625, 1265, 1321, 1375, 2875, 6325, 6605, 6875, 14375, 14531, 30383, 31625, 33025, 72655, 151915, 158125, 165125, 334213, 363275, 759575, 825625, 1671065, 1816375, 3797875, 8355325, 9081875, 18989375, 41776625, 208883125]

約数ペア:

[(1, 208883125), (5, 41776625), (11, 18989375), (23, 9081875), (25, 8355325), (55, 3797875), (115, 1816375), (125, 1671065), (253, 825625), (275, 759575), (575, 363275), (625, 334213), (1265, 165125), (1321, 158125), (1375, 151915), (2875, 72655), (6325, 33025), (6605, 31625), (6875, 30383), (14375, 14531)]