420049916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10343}}^1$

素因数の和:10442

約数の個数: 48

約数和(自身を含む): 875847168

約数和(自身を除く): 455797252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 10153, 10343, 20306, 20686, 40612, 41372, 113773, 134459, 227546, 268918, 455092, 537836, 734353, 1468706, 1479049, 2937412, 2958098, 5916196, 8077883, 9546589, 16155766, 19093178, 32311532, 38186356, 105012479, 210024958, 420049916]

約数ペア:

[(1, 420049916), (2, 210024958), (4, 105012479), (11, 38186356), (13, 32311532), (22, 19093178), (26, 16155766), (44, 9546589), (52, 8077883), (71, 5916196), (142, 2958098), (143, 2937412), (284, 1479049), (286, 1468706), (572, 734353), (781, 537836), (923, 455092), (1562, 268918), (1846, 227546), (3124, 134459), (3692, 113773), (10153, 41372), (10343, 40612), (20306, 20686)]