898492525

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 1313804800

約数和(自身を除く): 415312275

約数列:

[1, 5, 7, 25, 35, 43, 139, 175, 215, 301, 695, 859, 973, 1075, 1505, 3475, 4295, 4865, 5977, 6013, 7525, 21475, 24325, 29885, 30065, 36937, 41839, 119401, 149425, 150325, 184685, 209195, 258559, 597005, 835807, 923425, 1045975, 1292795, 2985025, 4179035, 5134243, 6463975, 20895175, 25671215, 35939701, 128356075, 179698505, 898492525]

約数ペア:

[(1, 898492525), (5, 179698505), (7, 128356075), (25, 35939701), (35, 25671215), (43, 20895175), (139, 6463975), (175, 5134243), (215, 4179035), (301, 2985025), (695, 1292795), (859, 1045975), (973, 923425), (1075, 835807), (1505, 597005), (3475, 258559), (4295, 209195), (4865, 184685), (5977, 150325), (6013, 149425), (7525, 119401), (21475, 41839), (24325, 36937), (29885, 30065)]