71675980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188621}}^1$

素因数の和:188649

約数の個数: 24

約数和(自身を含む): 158442480

約数和(自身を除く): 86766500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 188621, 377242, 754484, 943105, 1886210, 3583799, 3772420, 7167598, 14335196, 17918995, 35837990, 71675980]

約数ペア:

[(1, 71675980), (2, 35837990), (4, 17918995), (5, 14335196), (10, 7167598), (19, 3772420), (20, 3583799), (38, 1886210), (76, 943105), (95, 754484), (190, 377242), (380, 188621)]