1728227440

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{108557}}^1$

素因数の和:108769

約数の個数: 40

約数和(自身を含む): 4038357600

約数和(自身を除く): 2310130160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 108557, 217114, 434228, 542785, 868456, 1085570, 1736912, 2171140, 4342280, 8684560, 21602843, 43205686, 86411372, 108014215, 172822744, 216028430, 345645488, 432056860, 864113720, 1728227440]

約数ペア:

[(1, 1728227440), (2, 864113720), (4, 432056860), (5, 345645488), (8, 216028430), (10, 172822744), (16, 108014215), (20, 86411372), (40, 43205686), (80, 21602843), (199, 8684560), (398, 4342280), (796, 2171140), (995, 1736912), (1592, 1085570), (1990, 868456), (3184, 542785), (3980, 434228), (7960, 217114), (15920, 108557)]