90198320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59341}}^1$

素因数の和:59373

約数の個数: 40

約数和(自身を含む): 220752240

約数和(自身を除く): 130553920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59341, 118682, 237364, 296705, 474728, 593410, 949456, 1127479, 1186820, 2254958, 2373640, 4509916, 4747280, 5637395, 9019832, 11274790, 18039664, 22549580, 45099160, 90198320]

約数ペア:

[(1, 90198320), (2, 45099160), (4, 22549580), (5, 18039664), (8, 11274790), (10, 9019832), (16, 5637395), (19, 4747280), (20, 4509916), (38, 2373640), (40, 2254958), (76, 1186820), (80, 1127479), (95, 949456), (152, 593410), (190, 474728), (304, 296705), (380, 237364), (760, 118682), (1520, 59341)]