215689330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{21419}}^1$

素因数の和:21498

約数の個数: 32

約数和(自身を含む): 416404800

約数和(自身を除く): 200715470

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 5035, 10070, 21419, 42838, 107095, 214190, 406961, 813922, 1135207, 2034805, 2270414, 4069610, 5676035, 11352070, 21568933, 43137866, 107844665, 215689330]

約数ペア:

[(1, 215689330), (2, 107844665), (5, 43137866), (10, 21568933), (19, 11352070), (38, 5676035), (53, 4069610), (95, 2270414), (106, 2034805), (190, 1135207), (265, 813922), (530, 406961), (1007, 214190), (2014, 107095), (5035, 42838), (10070, 21419)]