67916780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 147189504

約数和(自身を除く): 79272724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 215, 302, 430, 523, 604, 755, 860, 1046, 1510, 2092, 2615, 3020, 5230, 6493, 10460, 12986, 22489, 25972, 32465, 44978, 64930, 78973, 89956, 112445, 129860, 157946, 224890, 315892, 394865, 449780, 789730, 1579460, 3395839, 6791678, 13583356, 16979195, 33958390, 67916780]

約数ペア:

[(1, 67916780), (2, 33958390), (4, 16979195), (5, 13583356), (10, 6791678), (20, 3395839), (43, 1579460), (86, 789730), (151, 449780), (172, 394865), (215, 315892), (302, 224890), (430, 157946), (523, 129860), (604, 112445), (755, 89956), (860, 78973), (1046, 64930), (1510, 44978), (2092, 32465), (2615, 25972), (3020, 22489), (5230, 12986), (6493, 10460)]