1389406470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{4973}}^1$

素因数の和:5189

約数の個数: 64

約数和(自身を含む): 3409378560

約数和(自身を除く): 2019972090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 139, 201, 278, 335, 402, 417, 670, 695, 834, 1005, 1390, 2010, 2085, 4170, 4973, 9313, 9946, 14919, 18626, 24865, 27939, 29838, 46565, 49730, 55878, 74595, 93130, 139695, 149190, 279390, 333191, 666382, 691247, 999573, 1382494, 1665955, 1999146, 2073741, 3331910, 3456235, 4147482, 4997865, 6912470, 9995730, 10368705, 20737410, 46313549, 92627098, 138940647, 231567745, 277881294, 463135490, 694703235, 1389406470]

約数ペア:

[(1, 1389406470), (2, 694703235), (3, 463135490), (5, 277881294), (6, 231567745), (10, 138940647), (15, 92627098), (30, 46313549), (67, 20737410), (134, 10368705), (139, 9995730), (201, 6912470), (278, 4997865), (335, 4147482), (402, 3456235), (417, 3331910), (670, 2073741), (695, 1999146), (834, 1665955), (1005, 1382494), (1390, 999573), (2010, 691247), (2085, 666382), (4170, 333191), (4973, 279390), (9313, 149190), (9946, 139695), (14919, 93130), (18626, 74595), (24865, 55878), (27939, 49730), (29838, 46565)]