31394860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3347}}^1$

素因数の和:3430

約数の個数: 48

約数和(自身を含む): 76495104

約数和(自身を除く): 45100244

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, 3347, 4690, 6694, 9380, 13388, 16735, 23429, 33470, 46858, 66940, 93716, 117145, 224249, 234290, 448498, 468580, 896996, 1121245, 1569743, 2242490, 3139486, 4484980, 6278972, 7848715, 15697430, 31394860]

約数ペア:

[(1, 31394860), (2, 15697430), (4, 7848715), (5, 6278972), (7, 4484980), (10, 3139486), (14, 2242490), (20, 1569743), (28, 1121245), (35, 896996), (67, 468580), (70, 448498), (134, 234290), (140, 224249), (268, 117145), (335, 93716), (469, 66940), (670, 46858), (938, 33470), (1340, 23429), (1876, 16735), (2345, 13388), (3347, 9380), (4690, 6694)]