201630260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1619}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 255598540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 479, 958, 1619, 1916, 2395, 3238, 4790, 6227, 6476, 8095, 9580, 12454, 16190, 21047, 24908, 31135, 32380, 42094, 62270, 84188, 105235, 124540, 210470, 420940, 775501, 1551002, 3102004, 3877505, 7755010, 10081513, 15510020, 20163026, 40326052, 50407565, 100815130, 201630260]

約数ペア:

[(1, 201630260), (2, 100815130), (4, 50407565), (5, 40326052), (10, 20163026), (13, 15510020), (20, 10081513), (26, 7755010), (52, 3877505), (65, 3102004), (130, 1551002), (260, 775501), (479, 420940), (958, 210470), (1619, 124540), (1916, 105235), (2395, 84188), (3238, 62270), (4790, 42094), (6227, 32380), (6476, 31135), (8095, 24908), (9580, 21047), (12454, 16190)]