457197520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439613}}^1$

素因数の和:439639

約数の個数: 40

約数和(自身を含む): 1144754856

約数和(自身を除く): 687557336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 439613, 879226, 1758452, 2198065, 3516904, 4396130, 5714969, 7033808, 8792260, 11429938, 17584520, 22859876, 28574845, 35169040, 45719752, 57149690, 91439504, 114299380, 228598760, 457197520]

約数ペア:

[(1, 457197520), (2, 228598760), (4, 114299380), (5, 91439504), (8, 57149690), (10, 45719752), (13, 35169040), (16, 28574845), (20, 22859876), (26, 17584520), (40, 11429938), (52, 8792260), (65, 7033808), (80, 5714969), (104, 4396130), (130, 3516904), (208, 2198065), (260, 1758452), (520, 879226), (1040, 439613)]