89749160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 213840000

約数和(自身を除く): 124090840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 439, 538, 760, 878, 1076, 1345, 1756, 2152, 2195, 2690, 3512, 4390, 5111, 5380, 8341, 8780, 10222, 10760, 16682, 17560, 20444, 25555, 33364, 40888, 41705, 51110, 66728, 83410, 102220, 118091, 166820, 204440, 236182, 333640, 472364, 590455, 944728, 1180910, 2243729, 2361820, 4487458, 4723640, 8974916, 11218645, 17949832, 22437290, 44874580, 89749160]

約数ペア:

[(1, 89749160), (2, 44874580), (4, 22437290), (5, 17949832), (8, 11218645), (10, 8974916), (19, 4723640), (20, 4487458), (38, 2361820), (40, 2243729), (76, 1180910), (95, 944728), (152, 590455), (190, 472364), (269, 333640), (380, 236182), (439, 204440), (538, 166820), (760, 118091), (878, 102220), (1076, 83410), (1345, 66728), (1756, 51110), (2152, 41705), (2195, 40888), (2690, 33364), (3512, 25555), (4390, 20444), (5111, 17560), (5380, 16682), (8341, 10760), (8780, 10222)]