221880400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 615655040

約数和(自身を除く): 393774640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 109, 112, 140, 175, 200, 218, 280, 350, 400, 436, 545, 560, 700, 727, 763, 872, 1090, 1400, 1454, 1526, 1744, 2180, 2725, 2800, 2908, 3052, 3635, 3815, 4360, 5089, 5450, 5816, 6104, 7270, 7630, 8720, 10178, 10900, 11632, 12208, 14540, 15260, 18175, 19075, 20356, 21800, 25445, 29080, 30520, 36350, 38150, 40712, 43600, 50890, 58160, 61040, 72700, 76300, 79243, 81424, 101780, 127225, 145400, 152600, 158486, 203560, 254450, 290800, 305200, 316972, 396215, 407120, 508900, 554701, 633944, 792430, 1017800, 1109402, 1267888, 1584860, 1981075, 2035600, 2218804, 2773505, 3169720, 3962150, 4437608, 5547010, 6339440, 7924300, 8875216, 11094020, 13867525, 15848600, 22188040, 27735050, 31697200, 44376080, 55470100, 110940200, 221880400]

約数ペア:

[(1, 221880400), (2, 110940200), (4, 55470100), (5, 44376080), (7, 31697200), (8, 27735050), (10, 22188040), (14, 15848600), (16, 13867525), (20, 11094020), (25, 8875216), (28, 7924300), (35, 6339440), (40, 5547010), (50, 4437608), (56, 3962150), (70, 3169720), (80, 2773505), (100, 2218804), (109, 2035600), (112, 1981075), (140, 1584860), (175, 1267888), (200, 1109402), (218, 1017800), (280, 792430), (350, 633944), (400, 554701), (436, 508900), (545, 407120), (560, 396215), (700, 316972), (727, 305200), (763, 290800), (872, 254450), (1090, 203560), (1400, 158486), (1454, 152600), (1526, 145400), (1744, 127225), (2180, 101780), (2725, 81424), (2800, 79243), (2908, 76300), (3052, 72700), (3635, 61040), (3815, 58160), (4360, 50890), (5089, 43600), (5450, 40712), (5816, 38150), (6104, 36350), (7270, 30520), (7630, 29080), (8720, 25445), (10178, 21800), (10900, 20356), (11632, 19075), (12208, 18175), (14540, 15260)]