78002030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2063}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 148608000

約数和(自身を除く): 70605970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 2063, 3781, 4126, 7562, 10315, 18905, 20630, 37810, 39197, 78394, 195985, 391970, 410537, 821074, 2052685, 4105370, 7800203, 15600406, 39001015, 78002030]

約数ペア:

[(1, 78002030), (2, 39001015), (5, 15600406), (10, 7800203), (19, 4105370), (38, 2052685), (95, 821074), (190, 410537), (199, 391970), (398, 195985), (995, 78394), (1990, 39197), (2063, 37810), (3781, 20630), (4126, 18905), (7562, 10315)]