131409040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{234659}}^1$

素因数の和:234679

約数の個数: 40

約数和(自身を含む): 349174080

約数和(自身を除く): 217765040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 234659, 469318, 938636, 1173295, 1642613, 1877272, 2346590, 3285226, 3754544, 4693180, 6570452, 8213065, 9386360, 13140904, 16426130, 18772720, 26281808, 32852260, 65704520, 131409040]

約数ペア:

[(1, 131409040), (2, 65704520), (4, 32852260), (5, 26281808), (7, 18772720), (8, 16426130), (10, 13140904), (14, 9386360), (16, 8213065), (20, 6570452), (28, 4693180), (35, 3754544), (40, 3285226), (56, 2346590), (70, 1877272), (80, 1642613), (112, 1173295), (140, 938636), (280, 469318), (560, 234659)]