9678790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 20205360

約数和(自身を除く): 10526570

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 421, 605, 842, 1045, 1210, 2090, 2105, 2299, 4210, 4598, 4631, 7999, 9262, 11495, 15998, 22990, 23155, 39995, 46310, 50941, 79990, 87989, 101882, 175978, 254705, 439945, 509410, 879890, 967879, 1935758, 4839395, 9678790]

約数ペア:

[(1, 9678790), (2, 4839395), (5, 1935758), (10, 967879), (11, 879890), (19, 509410), (22, 439945), (38, 254705), (55, 175978), (95, 101882), (110, 87989), (121, 79990), (190, 50941), (209, 46310), (242, 39995), (418, 23155), (421, 22990), (605, 15998), (842, 11495), (1045, 9262), (1210, 7999), (2090, 4631), (2105, 4598), (2299, 4210)]