19490800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6986

約数の個数: 60

約数和(自身を含む): 53523856

約数和(自身を除く): 34033056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 174025, 194908, 243635, 278440, 348050, 389816, 487270, 556880, 696100, 779632, 974540, 1218175, 1392200, 1949080, 2436350, 2784400, 3898160, 4872700, 9745400, 19490800]

約数ペア:

[(1, 19490800), (2, 9745400), (4, 4872700), (5, 3898160), (7, 2784400), (8, 2436350), (10, 1949080), (14, 1392200), (16, 1218175), (20, 974540), (25, 779632), (28, 696100), (35, 556880), (40, 487270), (50, 389816), (56, 348050), (70, 278440), (80, 243635), (100, 194908), (112, 174025), (140, 139220), (175, 111376), (200, 97454), (280, 69610), (350, 55688), (400, 48727), (560, 34805), (700, 27844), (1400, 13922), (2800, 6961)]