171172520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225227}}^1$

素因数の和:225257

約数の個数: 32

約数和(自身を含む): 405410400

約数和(自身を除く): 234237880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 225227, 450454, 900908, 1126135, 1801816, 2252270, 4279313, 4504540, 8558626, 9009080, 17117252, 21396565, 34234504, 42793130, 85586260, 171172520]

約数ペア:

[(1, 171172520), (2, 85586260), (4, 42793130), (5, 34234504), (8, 21396565), (10, 17117252), (19, 9009080), (20, 8558626), (38, 4504540), (40, 4279313), (76, 2252270), (95, 1801816), (152, 1126135), (190, 900908), (380, 450454), (760, 225227)]