417999905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 543283200

約数和(自身を除く): 125283295

約数列:

[1, 5, 19, 47, 95, 179, 235, 523, 893, 895, 2615, 3401, 4465, 8413, 9937, 17005, 24581, 42065, 49685, 93617, 122905, 159847, 467039, 468085, 799235, 1778723, 2335195, 4399999, 8893615, 21999995, 83599981, 417999905]

約数ペア:

[(1, 417999905), (5, 83599981), (19, 21999995), (47, 8893615), (95, 4399999), (179, 2335195), (235, 1778723), (523, 799235), (893, 468085), (895, 467039), (2615, 159847), (3401, 122905), (4465, 93617), (8413, 49685), (9937, 42065), (17005, 24581)]