489375560

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{45481}}^1$

素因数の和:45761

約数の個数: 32

約数和(自身を含む): 1105212600

約数和(自身を除く): 615837040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 45481, 90962, 181924, 227405, 363848, 454810, 909620, 1819240, 12234389, 24468778, 48937556, 61171945, 97875112, 122343890, 244687780, 489375560]

約数ペア:

[(1, 489375560), (2, 244687780), (4, 122343890), (5, 97875112), (8, 61171945), (10, 48937556), (20, 24468778), (40, 12234389), (269, 1819240), (538, 909620), (1076, 454810), (1345, 363848), (2152, 227405), (2690, 181924), (5380, 90962), (10760, 45481)]