542578250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 1080518400

約数和(自身を除く): 537940150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 125, 190, 206, 250, 475, 515, 950, 1030, 1109, 1957, 2218, 2375, 2575, 3914, 4750, 5150, 5545, 9785, 11090, 12875, 19570, 21071, 25750, 27725, 42142, 48925, 55450, 97850, 105355, 114227, 138625, 210710, 228454, 244625, 277250, 489250, 526775, 571135, 1053550, 1142270, 2170313, 2633875, 2855675, 4340626, 5267750, 5711350, 10851565, 14278375, 21703130, 28556750, 54257825, 108515650, 271289125, 542578250]

約数ペア:

[(1, 542578250), (2, 271289125), (5, 108515650), (10, 54257825), (19, 28556750), (25, 21703130), (38, 14278375), (50, 10851565), (95, 5711350), (103, 5267750), (125, 4340626), (190, 2855675), (206, 2633875), (250, 2170313), (475, 1142270), (515, 1053550), (950, 571135), (1030, 526775), (1109, 489250), (1957, 277250), (2218, 244625), (2375, 228454), (2575, 210710), (3914, 138625), (4750, 114227), (5150, 105355), (5545, 97850), (9785, 55450), (11090, 48925), (12875, 42142), (19570, 27725), (21071, 25750)]