140420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 362880

約数和(自身を除く): 222460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 59, 68, 70, 85, 118, 119, 140, 170, 236, 238, 295, 340, 413, 476, 590, 595, 826, 1003, 1180, 1190, 1652, 2006, 2065, 2380, 4012, 4130, 5015, 7021, 8260, 10030, 14042, 20060, 28084, 35105, 70210, 140420]

約数ペア:

[(1, 140420), (2, 70210), (4, 35105), (5, 28084), (7, 20060), (10, 14042), (14, 10030), (17, 8260), (20, 7021), (28, 5015), (34, 4130), (35, 4012), (59, 2380), (68, 2065), (70, 2006), (85, 1652), (118, 1190), (119, 1180), (140, 1003), (170, 826), (236, 595), (238, 590), (295, 476), (340, 413)]