209775770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{8059}}^1$

素因数の和:8222

約数の個数: 32

約数和(自身を含む): 400420800

約数和(自身を除く): 190645030

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1370, 2603, 5206, 8059, 13015, 16118, 26030, 40295, 80590, 153121, 306242, 765605, 1104083, 1531210, 2208166, 5520415, 11040830, 20977577, 41955154, 104887885, 209775770]

約数ペア:

[(1, 209775770), (2, 104887885), (5, 41955154), (10, 20977577), (19, 11040830), (38, 5520415), (95, 2208166), (137, 1531210), (190, 1104083), (274, 765605), (685, 306242), (1370, 153121), (2603, 80590), (5206, 40295), (8059, 26030), (13015, 16118)]