129387860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21493}}^1$

素因数の和:21552

約数の個数: 48

約数和(自身を含む): 317767296

約数和(自身を除く): 188379436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 21493, 42986, 85972, 107465, 150451, 214930, 300902, 429860, 601804, 752255, 924199, 1504510, 1848398, 3009020, 3696796, 4620995, 6469393, 9241990, 12938786, 18483980, 25877572, 32346965, 64693930, 129387860]

約数ペア:

[(1, 129387860), (2, 64693930), (4, 32346965), (5, 25877572), (7, 18483980), (10, 12938786), (14, 9241990), (20, 6469393), (28, 4620995), (35, 3696796), (43, 3009020), (70, 1848398), (86, 1504510), (140, 924199), (172, 752255), (215, 601804), (301, 429860), (430, 300902), (602, 214930), (860, 150451), (1204, 107465), (1505, 85972), (3010, 42986), (6020, 21493)]