1539860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 3919104

約数和(自身を除く): 2379244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 647, 1190, 1294, 2380, 2588, 3235, 4529, 6470, 9058, 10999, 12940, 18116, 21998, 22645, 43996, 45290, 54995, 76993, 90580, 109990, 153986, 219980, 307972, 384965, 769930, 1539860]

約数ペア:

[(1, 1539860), (2, 769930), (4, 384965), (5, 307972), (7, 219980), (10, 153986), (14, 109990), (17, 90580), (20, 76993), (28, 54995), (34, 45290), (35, 43996), (68, 22645), (70, 21998), (85, 18116), (119, 12940), (140, 10999), (170, 9058), (238, 6470), (340, 4529), (476, 3235), (595, 2588), (647, 2380), (1190, 1294)]