180319400

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{6581}}^1$

素因数の和:6734

約数の個数: 48

約数和(自身を含む): 422366940

約数和(自身を除く): 242047540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 1096, 1370, 2740, 3425, 5480, 6581, 6850, 13162, 13700, 26324, 27400, 32905, 52648, 65810, 131620, 164525, 263240, 329050, 658100, 901597, 1316200, 1803194, 3606388, 4507985, 7212776, 9015970, 18031940, 22539925, 36063880, 45079850, 90159700, 180319400]

約数ペア:

[(1, 180319400), (2, 90159700), (4, 45079850), (5, 36063880), (8, 22539925), (10, 18031940), (20, 9015970), (25, 7212776), (40, 4507985), (50, 3606388), (100, 1803194), (137, 1316200), (200, 901597), (274, 658100), (548, 329050), (685, 263240), (1096, 164525), (1370, 131620), (2740, 65810), (3425, 52648), (5480, 32905), (6581, 27400), (6850, 26324), (13162, 13700)]