201955880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5189}}^1$

素因数の和:5346

約数の個数: 64

約数和(自身を含む): 523152000

約数和(自身を除く): 321196120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5189, 5560, 7784, 9730, 10378, 19460, 20756, 25945, 36323, 38920, 41512, 51890, 72646, 103780, 145292, 181615, 207560, 290584, 363230, 721271, 726460, 1442542, 1452920, 2885084, 3606355, 5048897, 5770168, 7212710, 10097794, 14425420, 20195588, 25244485, 28850840, 40391176, 50488970, 100977940, 201955880]

約数ペア:

[(1, 201955880), (2, 100977940), (4, 50488970), (5, 40391176), (7, 28850840), (8, 25244485), (10, 20195588), (14, 14425420), (20, 10097794), (28, 7212710), (35, 5770168), (40, 5048897), (56, 3606355), (70, 2885084), (139, 1452920), (140, 1442542), (278, 726460), (280, 721271), (556, 363230), (695, 290584), (973, 207560), (1112, 181615), (1390, 145292), (1946, 103780), (2780, 72646), (3892, 51890), (4865, 41512), (5189, 38920), (5560, 36323), (7784, 25945), (9730, 20756), (10378, 19460)]