149720320

素因数分解:

$2^8\times 5^1\times {\mathrm{116969}}^1$

素因数の和:116990

約数の個数: 36

約数和(自身を含む): 358630020

約数和(自身を除く): 208909700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 116969, 233938, 467876, 584845, 935752, 1169690, 1871504, 2339380, 3743008, 4678760, 7486016, 9357520, 14972032, 18715040, 29944064, 37430080, 74860160, 149720320]

約数ペア:

[(1, 149720320), (2, 74860160), (4, 37430080), (5, 29944064), (8, 18715040), (10, 14972032), (16, 9357520), (20, 7486016), (32, 4678760), (40, 3743008), (64, 2339380), (80, 1871504), (128, 1169690), (160, 935752), (256, 584845), (320, 467876), (640, 233938), (1280, 116969)]