9799900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 23748480

約数和(自身を除く): 13948580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 151, 220, 236, 275, 295, 302, 550, 590, 604, 649, 755, 1100, 1180, 1298, 1475, 1510, 1661, 2596, 2950, 3020, 3245, 3322, 3775, 5900, 6490, 6644, 7550, 8305, 8909, 12980, 15100, 16225, 16610, 17818, 32450, 33220, 35636, 41525, 44545, 64900, 83050, 89090, 97999, 166100, 178180, 195998, 222725, 391996, 445450, 489995, 890900, 979990, 1959980, 2449975, 4899950, 9799900]

約数ペア:

[(1, 9799900), (2, 4899950), (4, 2449975), (5, 1959980), (10, 979990), (11, 890900), (20, 489995), (22, 445450), (25, 391996), (44, 222725), (50, 195998), (55, 178180), (59, 166100), (100, 97999), (110, 89090), (118, 83050), (151, 64900), (220, 44545), (236, 41525), (275, 35636), (295, 33220), (302, 32450), (550, 17818), (590, 16610), (604, 16225), (649, 15100), (755, 12980), (1100, 8909), (1180, 8305), (1298, 7550), (1475, 6644), (1510, 6490), (1661, 5900), (2596, 3775), (2950, 3322), (3020, 3245)]