31391800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 83923200

約数和(自身を除く): 52531400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 550, 751, 760, 836, 950, 1045, 1100, 1502, 1672, 1900, 2090, 2200, 3004, 3755, 3800, 4180, 5225, 6008, 7510, 8261, 8360, 10450, 14269, 15020, 16522, 18775, 20900, 28538, 30040, 33044, 37550, 41305, 41800, 57076, 66088, 71345, 75100, 82610, 114152, 142690, 150200, 156959, 165220, 206525, 285380, 313918, 330440, 356725, 413050, 570760, 627836, 713450, 784795, 826100, 1255672, 1426900, 1569590, 1652200, 2853800, 3139180, 3923975, 6278360, 7847950, 15695900, 31391800]

約数ペア:

[(1, 31391800), (2, 15695900), (4, 7847950), (5, 6278360), (8, 3923975), (10, 3139180), (11, 2853800), (19, 1652200), (20, 1569590), (22, 1426900), (25, 1255672), (38, 826100), (40, 784795), (44, 713450), (50, 627836), (55, 570760), (76, 413050), (88, 356725), (95, 330440), (100, 313918), (110, 285380), (152, 206525), (190, 165220), (200, 156959), (209, 150200), (220, 142690), (275, 114152), (380, 82610), (418, 75100), (440, 71345), (475, 66088), (550, 57076), (751, 41800), (760, 41305), (836, 37550), (950, 33044), (1045, 30040), (1100, 28538), (1502, 20900), (1672, 18775), (1900, 16522), (2090, 15020), (2200, 14269), (3004, 10450), (3755, 8360), (3800, 8261), (4180, 7510), (5225, 6008)]