551569180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2383}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 1182311424

約数和(自身を除く): 630742244

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 284, 326, 355, 652, 710, 815, 1420, 1630, 2383, 3260, 4766, 9532, 11573, 11915, 23146, 23830, 46292, 47660, 57865, 115730, 169193, 231460, 338386, 388429, 676772, 776858, 845965, 1553716, 1691930, 1942145, 3383860, 3884290, 7768580, 27578459, 55156918, 110313836, 137892295, 275784590, 551569180]

約数ペア:

[(1, 551569180), (2, 275784590), (4, 137892295), (5, 110313836), (10, 55156918), (20, 27578459), (71, 7768580), (142, 3884290), (163, 3383860), (284, 1942145), (326, 1691930), (355, 1553716), (652, 845965), (710, 776858), (815, 676772), (1420, 388429), (1630, 338386), (2383, 231460), (3260, 169193), (4766, 115730), (9532, 57865), (11573, 47660), (11915, 46292), (23146, 23830)]