520063180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{285749}}^1$

素因数の和:285778

約数の個数: 48

約数和(自身を含む): 1344168000

約数和(自身を除く): 824104820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 285749, 571498, 1142996, 1428745, 2000243, 2857490, 3714737, 4000486, 5714980, 7429474, 8000972, 10001215, 14858948, 18573685, 20002430, 26003159, 37147370, 40004860, 52006318, 74294740, 104012636, 130015795, 260031590, 520063180]

約数ペア:

[(1, 520063180), (2, 260031590), (4, 130015795), (5, 104012636), (7, 74294740), (10, 52006318), (13, 40004860), (14, 37147370), (20, 26003159), (26, 20002430), (28, 18573685), (35, 14858948), (52, 10001215), (65, 8000972), (70, 7429474), (91, 5714980), (130, 4000486), (140, 3714737), (182, 2857490), (260, 2000243), (364, 1428745), (455, 1142996), (910, 571498), (1820, 285749)]