7740790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 14826240

約数和(自身を除く): 7085450

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 311, 622, 655, 1310, 1555, 2489, 3110, 4978, 5909, 11818, 12445, 24890, 29545, 40741, 59090, 81482, 203705, 407410, 774079, 1548158, 3870395, 7740790]

約数ペア:

[(1, 7740790), (2, 3870395), (5, 1548158), (10, 774079), (19, 407410), (38, 203705), (95, 81482), (131, 59090), (190, 40741), (262, 29545), (311, 24890), (622, 12445), (655, 11818), (1310, 5909), (1555, 4978), (2489, 3110)]