78161770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 143544960

約数和(自身を除く): 65383190

約数列:

[1, 2, 5, 10, 71, 142, 283, 355, 389, 566, 710, 778, 1415, 1945, 2830, 3890, 20093, 27619, 40186, 55238, 100465, 110087, 138095, 200930, 220174, 276190, 550435, 1100870, 7816177, 15632354, 39080885, 78161770]

約数ペア:

[(1, 78161770), (2, 39080885), (5, 15632354), (10, 7816177), (71, 1100870), (142, 550435), (283, 276190), (355, 220174), (389, 200930), (566, 138095), (710, 110087), (778, 100465), (1415, 55238), (1945, 40186), (2830, 27619), (3890, 20093)]