28969300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 67356800

約数和(自身を除く): 38387500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 193, 316, 380, 386, 395, 475, 772, 790, 950, 965, 1501, 1580, 1900, 1930, 1975, 3002, 3667, 3860, 3950, 4825, 6004, 7334, 7505, 7900, 9650, 14668, 15010, 15247, 18335, 19300, 30020, 30494, 36670, 37525, 60988, 73340, 75050, 76235, 91675, 150100, 152470, 183350, 289693, 304940, 366700, 381175, 579386, 762350, 1158772, 1448465, 1524700, 2896930, 5793860, 7242325, 14484650, 28969300]

約数ペア:

[(1, 28969300), (2, 14484650), (4, 7242325), (5, 5793860), (10, 2896930), (19, 1524700), (20, 1448465), (25, 1158772), (38, 762350), (50, 579386), (76, 381175), (79, 366700), (95, 304940), (100, 289693), (158, 183350), (190, 152470), (193, 150100), (316, 91675), (380, 76235), (386, 75050), (395, 73340), (475, 60988), (772, 37525), (790, 36670), (950, 30494), (965, 30020), (1501, 19300), (1580, 18335), (1900, 15247), (1930, 15010), (1975, 14668), (3002, 9650), (3667, 7900), (3860, 7505), (3950, 7334), (4825, 6004)]