177811120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{116981}}^1$

素因数の和:117013

約数の個数: 40

約数和(自身を含む): 435173040

約数和(自身を除く): 257361920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 116981, 233962, 467924, 584905, 935848, 1169810, 1871696, 2222639, 2339620, 4445278, 4679240, 8890556, 9358480, 11113195, 17781112, 22226390, 35562224, 44452780, 88905560, 177811120]

約数ペア:

[(1, 177811120), (2, 88905560), (4, 44452780), (5, 35562224), (8, 22226390), (10, 17781112), (16, 11113195), (19, 9358480), (20, 8890556), (38, 4679240), (40, 4445278), (76, 2339620), (80, 2222639), (95, 1871696), (152, 1169810), (190, 935848), (304, 584905), (380, 467924), (760, 233962), (1520, 116981)]