201456760

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{14431}}^1$

素因数の和:14791

約数の個数: 32

約数和(自身を含む): 454608000

約数和(自身を除く): 253151240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 14431, 28862, 57724, 72155, 115448, 144310, 288620, 577240, 5036419, 10072838, 20145676, 25182095, 40291352, 50364190, 100728380, 201456760]

約数ペア:

[(1, 201456760), (2, 100728380), (4, 50364190), (5, 40291352), (8, 25182095), (10, 20145676), (20, 10072838), (40, 5036419), (349, 577240), (698, 288620), (1396, 144310), (1745, 115448), (2792, 72155), (3490, 57724), (6980, 28862), (13960, 14431)]