201018125

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4177}}^1$

素因数の和:4215

約数の個数: 40

約数和(自身を含む): 313249728

約数和(自身を除く): 112231603

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 625, 875, 1375, 1925, 4177, 4375, 6875, 9625, 20885, 29239, 45947, 48125, 104425, 146195, 229735, 321629, 522125, 730975, 1148675, 1608145, 2610625, 3654875, 5743375, 8040725, 18274375, 28716875, 40203625, 201018125]

約数ペア:

[(1, 201018125), (5, 40203625), (7, 28716875), (11, 18274375), (25, 8040725), (35, 5743375), (55, 3654875), (77, 2610625), (125, 1608145), (175, 1148675), (275, 730975), (385, 522125), (625, 321629), (875, 229735), (1375, 146195), (1925, 104425), (4177, 48125), (4375, 45947), (6875, 29239), (9625, 20885)]