1390804960

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{37307}}^1$

素因数の和:37555

約数の個数: 48

約数和(自身を含む): 3299967216

約数和(自身を除く): 1909162256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 7456, 9320, 18640, 37280, 37307, 74614, 149228, 186535, 298456, 373070, 596912, 746140, 1193824, 1492280, 2984560, 5969120, 8692531, 17385062, 34770124, 43462655, 69540248, 86925310, 139080496, 173850620, 278160992, 347701240, 695402480, 1390804960]

約数ペア:

[(1, 1390804960), (2, 695402480), (4, 347701240), (5, 278160992), (8, 173850620), (10, 139080496), (16, 86925310), (20, 69540248), (32, 43462655), (40, 34770124), (80, 17385062), (160, 8692531), (233, 5969120), (466, 2984560), (932, 1492280), (1165, 1193824), (1864, 746140), (2330, 596912), (3728, 373070), (4660, 298456), (7456, 186535), (9320, 149228), (18640, 74614), (37280, 37307)]