1888015780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{201281}}^1$

素因数の和:201364

約数の個数: 48

約数和(自身を含む): 4598891136

約数和(自身を除く): 2710875356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 201281, 402562, 805124, 1006405, 1408967, 2012810, 2817934, 4025620, 5635868, 7044835, 13485827, 14089670, 26971654, 28179340, 53943308, 67429135, 94400789, 134858270, 188801578, 269716540, 377603156, 472003945, 944007890, 1888015780]

約数ペア:

[(1, 1888015780), (2, 944007890), (4, 472003945), (5, 377603156), (7, 269716540), (10, 188801578), (14, 134858270), (20, 94400789), (28, 67429135), (35, 53943308), (67, 28179340), (70, 26971654), (134, 14089670), (140, 13485827), (268, 7044835), (335, 5635868), (469, 4025620), (670, 2817934), (938, 2012810), (1340, 1408967), (1876, 1006405), (2345, 805124), (4690, 402562), (9380, 201281)]