508711540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{1259}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 1085918400

約数和(自身を除く): 577206860

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 227, 356, 445, 454, 890, 908, 1135, 1259, 1780, 2270, 2518, 4540, 5036, 6295, 12590, 20203, 25180, 40406, 80812, 101015, 112051, 202030, 224102, 285793, 404060, 448204, 560255, 571586, 1120510, 1143172, 1428965, 2241020, 2857930, 5715860, 25435577, 50871154, 101742308, 127177885, 254355770, 508711540]

約数ペア:

[(1, 508711540), (2, 254355770), (4, 127177885), (5, 101742308), (10, 50871154), (20, 25435577), (89, 5715860), (178, 2857930), (227, 2241020), (356, 1428965), (445, 1143172), (454, 1120510), (890, 571586), (908, 560255), (1135, 448204), (1259, 404060), (1780, 285793), (2270, 224102), (2518, 202030), (4540, 112051), (5036, 101015), (6295, 80812), (12590, 40406), (20203, 25180)]