1520985025

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{110017}}^1$

素因数の和:110113

約数の個数: 24

約数和(自身を含む): 2182757120

約数和(自身を除く): 661772095

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1975, 2765, 13825, 110017, 550085, 770119, 2750425, 3850595, 8691343, 19252975, 43456715, 60839401, 217283575, 304197005, 1520985025]

約数ペア:

[(1, 1520985025), (5, 304197005), (7, 217283575), (25, 60839401), (35, 43456715), (79, 19252975), (175, 8691343), (395, 3850595), (553, 2750425), (1975, 770119), (2765, 550085), (13825, 110017)]