64383400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{16943}}^1$

素因数の和:16978

約数の個数: 48

約数和(自身を含む): 157579200

約数和(自身を除く): 93195800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 16943, 33886, 67772, 84715, 135544, 169430, 321917, 338860, 423575, 643834, 677720, 847150, 1287668, 1609585, 1694300, 2575336, 3219170, 3388600, 6438340, 8047925, 12876680, 16095850, 32191700, 64383400]

約数ペア:

[(1, 64383400), (2, 32191700), (4, 16095850), (5, 12876680), (8, 8047925), (10, 6438340), (19, 3388600), (20, 3219170), (25, 2575336), (38, 1694300), (40, 1609585), (50, 1287668), (76, 847150), (95, 677720), (100, 643834), (152, 423575), (190, 338860), (200, 321917), (380, 169430), (475, 135544), (760, 84715), (950, 67772), (1900, 33886), (3800, 16943)]