638380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 1365840

約数和(自身を除く): 727460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 541, 590, 1082, 1180, 2164, 2705, 5410, 10820, 31919, 63838, 127676, 159595, 319190, 638380]

約数ペア:

[(1, 638380), (2, 319190), (4, 159595), (5, 127676), (10, 63838), (20, 31919), (59, 10820), (118, 5410), (236, 2705), (295, 2164), (541, 1180), (590, 1082)]