201631990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151603}}^1$

素因数の和:151636

約数の個数: 32

約数和(自身を含む): 436619520

約数和(自身を除く): 234987530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 151603, 303206, 758015, 1061221, 1516030, 2122442, 2880457, 5306105, 5760914, 10612210, 14402285, 20163199, 28804570, 40326398, 100815995, 201631990]

約数ペア:

[(1, 201631990), (2, 100815995), (5, 40326398), (7, 28804570), (10, 20163199), (14, 14402285), (19, 10612210), (35, 5760914), (38, 5306105), (70, 2880457), (95, 2122442), (133, 1516030), (190, 1061221), (266, 758015), (665, 303206), (1330, 151603)]