207328240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{859}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 552821760

約数和(自身を除く): 345493520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 431, 560, 859, 862, 1718, 1724, 2155, 3017, 3436, 3448, 4295, 4310, 6013, 6034, 6872, 6896, 8590, 8620, 12026, 12068, 13744, 15085, 17180, 17240, 24052, 24136, 30065, 30170, 34360, 34480, 48104, 48272, 60130, 60340, 68720, 96208, 120260, 120680, 240520, 241360, 370229, 481040, 740458, 1480916, 1851145, 2591603, 2961832, 3702290, 5183206, 5923664, 7404580, 10366412, 12958015, 14809160, 20732824, 25916030, 29618320, 41465648, 51832060, 103664120, 207328240]

約数ペア:

[(1, 207328240), (2, 103664120), (4, 51832060), (5, 41465648), (7, 29618320), (8, 25916030), (10, 20732824), (14, 14809160), (16, 12958015), (20, 10366412), (28, 7404580), (35, 5923664), (40, 5183206), (56, 3702290), (70, 2961832), (80, 2591603), (112, 1851145), (140, 1480916), (280, 740458), (431, 481040), (560, 370229), (859, 241360), (862, 240520), (1718, 120680), (1724, 120260), (2155, 96208), (3017, 68720), (3436, 60340), (3448, 60130), (4295, 48272), (4310, 48104), (6013, 34480), (6034, 34360), (6872, 30170), (6896, 30065), (8590, 24136), (8620, 24052), (12026, 17240), (12068, 17180), (13744, 15085)]