320440425

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{20249}}^1$

素因数の和:20473

約数の個数: 24

約数和(自身を含む): 532332000

約数和(自身を除く): 211891575

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 3165, 5275, 15825, 20249, 60747, 101245, 303735, 506225, 1518675, 4272539, 12817617, 21362695, 64088085, 106813475, 320440425]

約数ペア:

[(1, 320440425), (3, 106813475), (5, 64088085), (15, 21362695), (25, 12817617), (75, 4272539), (211, 1518675), (633, 506225), (1055, 303735), (3165, 101245), (5275, 60747), (15825, 20249)]