315280225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{14479}}^1$

素因数の和:14569

約数の個数: 24

約数和(自身を含む): 427333760

約数和(自身を除く): 112053535

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 14479, 21775, 72395, 188227, 361975, 941135, 970093, 4705675, 4850465, 12611209, 24252325, 63056045, 315280225]

約数ペア:

[(1, 315280225), (5, 63056045), (13, 24252325), (25, 12611209), (65, 4850465), (67, 4705675), (325, 970093), (335, 941135), (871, 361975), (1675, 188227), (4355, 72395), (14479, 21775)]