28979500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 40733780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 479, 484, 500, 550, 605, 958, 1100, 1210, 1375, 1916, 2395, 2420, 2750, 3025, 4790, 5269, 5500, 6050, 9580, 10538, 11975, 12100, 15125, 21076, 23950, 26345, 30250, 47900, 52690, 57959, 59875, 60500, 105380, 115918, 119750, 131725, 231836, 239500, 263450, 289795, 526900, 579590, 658625, 1159180, 1317250, 1448975, 2634500, 2897950, 5795900, 7244875, 14489750, 28979500]

約数ペア:

[(1, 28979500), (2, 14489750), (4, 7244875), (5, 5795900), (10, 2897950), (11, 2634500), (20, 1448975), (22, 1317250), (25, 1159180), (44, 658625), (50, 579590), (55, 526900), (100, 289795), (110, 263450), (121, 239500), (125, 231836), (220, 131725), (242, 119750), (250, 115918), (275, 105380), (479, 60500), (484, 59875), (500, 57959), (550, 52690), (605, 47900), (958, 30250), (1100, 26345), (1210, 23950), (1375, 21076), (1916, 15125), (2395, 12100), (2420, 11975), (2750, 10538), (3025, 9580), (4790, 6050), (5269, 5500)]