521003980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{120047}}^1$

素因数の和:120094

約数の個数: 48

約数和(自身を含む): 1290756096

約数和(自身を除く): 769752116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 120047, 240094, 480188, 600235, 840329, 1200470, 1680658, 2400940, 3361316, 3721457, 4201645, 7442914, 8403290, 14885828, 16806580, 18607285, 26050199, 37214570, 52100398, 74429140, 104200796, 130250995, 260501990, 521003980]

約数ペア:

[(1, 521003980), (2, 260501990), (4, 130250995), (5, 104200796), (7, 74429140), (10, 52100398), (14, 37214570), (20, 26050199), (28, 18607285), (31, 16806580), (35, 14885828), (62, 8403290), (70, 7442914), (124, 4201645), (140, 3721457), (155, 3361316), (217, 2400940), (310, 1680658), (434, 1200470), (620, 840329), (868, 600235), (1085, 480188), (2170, 240094), (4340, 120047)]