18780100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2884

約数の個数: 36

約数和(自身を含む): 41375824

約数和(自身を除く): 22595724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 2803, 3350, 5606, 6700, 11212, 14015, 28030, 56060, 70075, 140150, 187801, 280300, 375602, 751204, 939005, 1878010, 3756020, 4695025, 9390050, 18780100]

約数ペア:

[(1, 18780100), (2, 9390050), (4, 4695025), (5, 3756020), (10, 1878010), (20, 939005), (25, 751204), (50, 375602), (67, 280300), (100, 187801), (134, 140150), (268, 70075), (335, 56060), (670, 28030), (1340, 14015), (1675, 11212), (2803, 6700), (3350, 5606)]