52850420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 130233600

約数和(自身を除く): 77383180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 271, 398, 490, 542, 796, 980, 995, 1084, 1355, 1393, 1897, 1990, 2710, 2786, 3794, 3980, 5420, 5572, 6965, 7588, 9485, 9751, 13279, 13930, 18970, 19502, 26558, 27860, 37940, 39004, 48755, 53116, 53929, 66395, 97510, 107858, 132790, 195020, 215716, 265580, 269645, 377503, 539290, 755006, 1078580, 1510012, 1887515, 2642521, 3775030, 5285042, 7550060, 10570084, 13212605, 26425210, 52850420]

約数ペア:

[(1, 52850420), (2, 26425210), (4, 13212605), (5, 10570084), (7, 7550060), (10, 5285042), (14, 3775030), (20, 2642521), (28, 1887515), (35, 1510012), (49, 1078580), (70, 755006), (98, 539290), (140, 377503), (196, 269645), (199, 265580), (245, 215716), (271, 195020), (398, 132790), (490, 107858), (542, 97510), (796, 66395), (980, 53929), (995, 53116), (1084, 48755), (1355, 39004), (1393, 37940), (1897, 27860), (1990, 26558), (2710, 19502), (2786, 18970), (3794, 13930), (3980, 13279), (5420, 9751), (5572, 9485), (6965, 7588)]