266568260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26083}}^1$

素因数の和:26172

約数の個数: 48

約数和(自身を含む): 648552576

約数和(自身を除く): 381984316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 26083, 52166, 104332, 130415, 182581, 260830, 365162, 521660, 730324, 912905, 1825810, 1904059, 3651620, 3808118, 7616236, 9520295, 13328413, 19040590, 26656826, 38081180, 53313652, 66642065, 133284130, 266568260]

約数ペア:

[(1, 266568260), (2, 133284130), (4, 66642065), (5, 53313652), (7, 38081180), (10, 26656826), (14, 19040590), (20, 13328413), (28, 9520295), (35, 7616236), (70, 3808118), (73, 3651620), (140, 1904059), (146, 1825810), (292, 912905), (365, 730324), (511, 521660), (730, 365162), (1022, 260830), (1460, 182581), (2044, 130415), (2555, 104332), (5110, 52166), (10220, 26083)]