401734580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49843}}^1$

素因数の和:49896

約数の個数: 48

約数和(自身を含む): 937864704

約数和(自身を除く): 536130124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 49843, 99686, 199372, 249215, 498430, 647959, 996860, 1295918, 1545133, 2591836, 3090266, 3239795, 6180532, 6479590, 7725665, 12959180, 15451330, 20086729, 30902660, 40173458, 80346916, 100433645, 200867290, 401734580]

約数ペア:

[(1, 401734580), (2, 200867290), (4, 100433645), (5, 80346916), (10, 40173458), (13, 30902660), (20, 20086729), (26, 15451330), (31, 12959180), (52, 7725665), (62, 6479590), (65, 6180532), (124, 3239795), (130, 3090266), (155, 2591836), (260, 1545133), (310, 1295918), (403, 996860), (620, 647959), (806, 498430), (1612, 249215), (2015, 199372), (4030, 99686), (8060, 49843)]