1770740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2220940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 71, 86, 116, 142, 145, 172, 215, 284, 290, 355, 430, 580, 710, 860, 1247, 1420, 2059, 2494, 3053, 4118, 4988, 6106, 6235, 8236, 10295, 12212, 12470, 15265, 20590, 24940, 30530, 41180, 61060, 88537, 177074, 354148, 442685, 885370, 1770740]

約数ペア:

[(1, 1770740), (2, 885370), (4, 442685), (5, 354148), (10, 177074), (20, 88537), (29, 61060), (43, 41180), (58, 30530), (71, 24940), (86, 20590), (116, 15265), (142, 12470), (145, 12212), (172, 10295), (215, 8236), (284, 6235), (290, 6106), (355, 4988), (430, 4118), (580, 3053), (710, 2494), (860, 2059), (1247, 1420)]