2729240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 6434640

約数和(自身を除く): 3705400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 961, 1240, 1420, 1922, 2201, 2840, 3844, 4402, 4805, 7688, 8804, 9610, 11005, 17608, 19220, 22010, 38440, 44020, 68231, 88040, 136462, 272924, 341155, 545848, 682310, 1364620, 2729240]

約数ペア:

[(1, 2729240), (2, 1364620), (4, 682310), (5, 545848), (8, 341155), (10, 272924), (20, 136462), (31, 88040), (40, 68231), (62, 44020), (71, 38440), (124, 22010), (142, 19220), (155, 17608), (248, 11005), (284, 9610), (310, 8804), (355, 7688), (568, 4805), (620, 4402), (710, 3844), (961, 2840), (1240, 2201), (1420, 1922)]