428894240

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21107}}^1$

素因数の和:21249

約数の個数: 48

約数和(自身を含む): 1021289472

約数和(自身を除く): 592395232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 21107, 42214, 84428, 105535, 168856, 211070, 337712, 422140, 675424, 844280, 1688560, 2680589, 3377120, 5361178, 10722356, 13402945, 21444712, 26805890, 42889424, 53611780, 85778848, 107223560, 214447120, 428894240]

約数ペア:

[(1, 428894240), (2, 214447120), (4, 107223560), (5, 85778848), (8, 53611780), (10, 42889424), (16, 26805890), (20, 21444712), (32, 13402945), (40, 10722356), (80, 5361178), (127, 3377120), (160, 2680589), (254, 1688560), (508, 844280), (635, 675424), (1016, 422140), (1270, 337712), (2032, 211070), (2540, 168856), (4064, 105535), (5080, 84428), (10160, 42214), (20320, 21107)]