28503580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 69370560

約数和(自身を除く): 40866980

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, 2789, 5110, 5578, 10220, 11156, 13945, 19523, 27890, 39046, 55780, 78092, 97615, 195230, 203597, 390460, 407194, 814388, 1017985, 1425179, 2035970, 2850358, 4071940, 5700716, 7125895, 14251790, 28503580]

約数ペア:

[(1, 28503580), (2, 14251790), (4, 7125895), (5, 5700716), (7, 4071940), (10, 2850358), (14, 2035970), (20, 1425179), (28, 1017985), (35, 814388), (70, 407194), (73, 390460), (140, 203597), (146, 195230), (292, 97615), (365, 78092), (511, 55780), (730, 39046), (1022, 27890), (1460, 19523), (2044, 13945), (2555, 11156), (2789, 10220), (5110, 5578)]