203216360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 467665920

約数和(自身を除く): 264449560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 191, 268, 335, 382, 397, 536, 670, 764, 794, 955, 1340, 1528, 1588, 1910, 1985, 2680, 3176, 3820, 3970, 7640, 7940, 12797, 15880, 25594, 26599, 51188, 53198, 63985, 75827, 102376, 106396, 127970, 132995, 151654, 212792, 255940, 265990, 303308, 379135, 511880, 531980, 606616, 758270, 1063960, 1516540, 3033080, 5080409, 10160818, 20321636, 25402045, 40643272, 50804090, 101608180, 203216360]

約数ペア:

[(1, 203216360), (2, 101608180), (4, 50804090), (5, 40643272), (8, 25402045), (10, 20321636), (20, 10160818), (40, 5080409), (67, 3033080), (134, 1516540), (191, 1063960), (268, 758270), (335, 606616), (382, 531980), (397, 511880), (536, 379135), (670, 303308), (764, 265990), (794, 255940), (955, 212792), (1340, 151654), (1528, 132995), (1588, 127970), (1910, 106396), (1985, 102376), (2680, 75827), (3176, 63985), (3820, 53198), (3970, 51188), (7640, 26599), (7940, 25594), (12797, 15880)]