643677860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{112139}}^1$

素因数の和:112196

約数の個数: 48

約数和(自身を含む): 1582519680

約数和(自身を除く): 938841820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 112139, 224278, 448556, 560695, 784973, 1121390, 1569946, 2242780, 3139892, 3924865, 4597699, 7849730, 9195398, 15699460, 18390796, 22988495, 32183893, 45976990, 64367786, 91953980, 128735572, 160919465, 321838930, 643677860]

約数ペア:

[(1, 643677860), (2, 321838930), (4, 160919465), (5, 128735572), (7, 91953980), (10, 64367786), (14, 45976990), (20, 32183893), (28, 22988495), (35, 18390796), (41, 15699460), (70, 9195398), (82, 7849730), (140, 4597699), (164, 3924865), (205, 3139892), (287, 2242780), (410, 1569946), (574, 1121390), (820, 784973), (1148, 560695), (1435, 448556), (2870, 224278), (5740, 112139)]