7257580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2999}}^1$

素因数の和:3030

約数の個数: 36

約数和(自身を含む): 16758000

約数和(自身を除く): 9500420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 2999, 5998, 11996, 14995, 29990, 32989, 59980, 65978, 131956, 164945, 329890, 362879, 659780, 725758, 1451516, 1814395, 3628790, 7257580]

約数ペア:

[(1, 7257580), (2, 3628790), (4, 1814395), (5, 1451516), (10, 725758), (11, 659780), (20, 362879), (22, 329890), (44, 164945), (55, 131956), (110, 65978), (121, 59980), (220, 32989), (242, 29990), (484, 14995), (605, 11996), (1210, 5998), (2420, 2999)]