144625420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{52783}}^1$

素因数の和:52929

約数の個数: 24

約数和(自身を含む): 305936064

約数和(自身を除く): 161310644

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 52783, 105566, 211132, 263915, 527830, 1055660, 7231271, 14462542, 28925084, 36156355, 72312710, 144625420]

約数ペア:

[(1, 144625420), (2, 72312710), (4, 36156355), (5, 28925084), (10, 14462542), (20, 7231271), (137, 1055660), (274, 527830), (548, 263915), (685, 211132), (1370, 105566), (2740, 52783)]