61483870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 69152930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 89, 139, 142, 178, 278, 355, 445, 497, 623, 695, 710, 890, 973, 994, 1246, 1390, 1946, 2485, 3115, 4865, 4970, 6230, 6319, 9730, 9869, 12371, 12638, 19738, 24742, 31595, 44233, 49345, 61855, 63190, 69083, 86597, 88466, 98690, 123710, 138166, 173194, 221165, 345415, 432985, 442330, 690830, 865970, 878341, 1756682, 4391705, 6148387, 8783410, 12296774, 30741935, 61483870]

約数ペア:

[(1, 61483870), (2, 30741935), (5, 12296774), (7, 8783410), (10, 6148387), (14, 4391705), (35, 1756682), (70, 878341), (71, 865970), (89, 690830), (139, 442330), (142, 432985), (178, 345415), (278, 221165), (355, 173194), (445, 138166), (497, 123710), (623, 98690), (695, 88466), (710, 86597), (890, 69083), (973, 63190), (994, 61855), (1246, 49345), (1390, 44233), (1946, 31595), (2485, 24742), (3115, 19738), (4865, 12638), (4970, 12371), (6230, 9869), (6319, 9730)]