31279060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 69100416

約数和(自身を除く): 37821356

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 983, 1591, 1966, 3182, 3932, 4915, 6364, 7955, 9830, 15910, 19660, 31820, 36371, 42269, 72742, 84538, 145484, 169076, 181855, 211345, 363710, 422690, 727420, 845380, 1563953, 3127906, 6255812, 7819765, 15639530, 31279060]

約数ペア:

[(1, 31279060), (2, 15639530), (4, 7819765), (5, 6255812), (10, 3127906), (20, 1563953), (37, 845380), (43, 727420), (74, 422690), (86, 363710), (148, 211345), (172, 181855), (185, 169076), (215, 145484), (370, 84538), (430, 72742), (740, 42269), (860, 36371), (983, 31820), (1591, 19660), (1966, 15910), (3182, 9830), (3932, 7955), (4915, 6364)]