688157030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{45007}}^1$

素因数の和:45164

約数の個数: 32

約数和(自身を含む): 1361041920

約数和(自身を除く): 672884890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 45007, 90014, 225035, 450070, 495077, 990154, 2475385, 4950770, 6255973, 12511946, 31279865, 62559730, 68815703, 137631406, 344078515, 688157030]

約数ペア:

[(1, 688157030), (2, 344078515), (5, 137631406), (10, 68815703), (11, 62559730), (22, 31279865), (55, 12511946), (110, 6255973), (139, 4950770), (278, 2475385), (695, 990154), (1390, 495077), (1529, 450070), (3058, 225035), (7645, 90014), (15290, 45007)]