31281800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 81021600

約数和(自身を除く): 49739800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 59, 88, 100, 110, 118, 200, 220, 236, 241, 275, 295, 440, 472, 482, 550, 590, 649, 964, 1100, 1180, 1205, 1298, 1475, 1928, 2200, 2360, 2410, 2596, 2651, 2950, 3245, 4820, 5192, 5302, 5900, 6025, 6490, 9640, 10604, 11800, 12050, 12980, 13255, 14219, 16225, 21208, 24100, 25960, 26510, 28438, 32450, 48200, 53020, 56876, 64900, 66275, 71095, 106040, 113752, 129800, 132550, 142190, 156409, 265100, 284380, 312818, 355475, 530200, 568760, 625636, 710950, 782045, 1251272, 1421900, 1564090, 2843800, 3128180, 3910225, 6256360, 7820450, 15640900, 31281800]

約数ペア:

[(1, 31281800), (2, 15640900), (4, 7820450), (5, 6256360), (8, 3910225), (10, 3128180), (11, 2843800), (20, 1564090), (22, 1421900), (25, 1251272), (40, 782045), (44, 710950), (50, 625636), (55, 568760), (59, 530200), (88, 355475), (100, 312818), (110, 284380), (118, 265100), (200, 156409), (220, 142190), (236, 132550), (241, 129800), (275, 113752), (295, 106040), (440, 71095), (472, 66275), (482, 64900), (550, 56876), (590, 53020), (649, 48200), (964, 32450), (1100, 28438), (1180, 26510), (1205, 25960), (1298, 24100), (1475, 21208), (1928, 16225), (2200, 14219), (2360, 13255), (2410, 12980), (2596, 12050), (2651, 11800), (2950, 10604), (3245, 9640), (4820, 6490), (5192, 6025), (5302, 5900)]