71858220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171091}}^1$

素因数の和:171110

約数の個数: 48

約数和(自身を含む): 229947648

約数和(自身を除く): 158089428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171091, 342182, 513273, 684364, 855455, 1026546, 1197637, 1710910, 2053092, 2395274, 2566365, 3421820, 3592911, 4790548, 5132730, 5988185, 7185822, 10265460, 11976370, 14371644, 17964555, 23952740, 35929110, 71858220]

約数ペア:

[(1, 71858220), (2, 35929110), (3, 23952740), (4, 17964555), (5, 14371644), (6, 11976370), (7, 10265460), (10, 7185822), (12, 5988185), (14, 5132730), (15, 4790548), (20, 3592911), (21, 3421820), (28, 2566365), (30, 2395274), (35, 2053092), (42, 1710910), (60, 1197637), (70, 1026546), (84, 855455), (105, 684364), (140, 513273), (210, 342182), (420, 171091)]