420174890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{18041}}^1$

素因数の和:18202

約数の個数: 32

約数和(自身を含む): 806693904

約数和(自身を除く): 386519014

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 1370, 2329, 4658, 11645, 18041, 23290, 36082, 90205, 180410, 306697, 613394, 1533485, 2471617, 3066970, 4943234, 12358085, 24716170, 42017489, 84034978, 210087445, 420174890]

約数ペア:

[(1, 420174890), (2, 210087445), (5, 84034978), (10, 42017489), (17, 24716170), (34, 12358085), (85, 4943234), (137, 3066970), (170, 2471617), (274, 1533485), (685, 613394), (1370, 306697), (2329, 180410), (4658, 90205), (11645, 36082), (18041, 23290)]