172215820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{5419}}^1$

素因数の和:5662

約数の個数: 48

約数和(自身を含む): 415215360

約数和(自身を除く): 242999540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 5419, 6356, 7945, 10838, 15890, 21676, 27095, 31780, 37933, 54190, 75866, 108380, 151732, 189665, 379330, 758660, 1230113, 2460226, 4920452, 6150565, 8610791, 12301130, 17221582, 24602260, 34443164, 43053955, 86107910, 172215820]

約数ペア:

[(1, 172215820), (2, 86107910), (4, 43053955), (5, 34443164), (7, 24602260), (10, 17221582), (14, 12301130), (20, 8610791), (28, 6150565), (35, 4920452), (70, 2460226), (140, 1230113), (227, 758660), (454, 379330), (908, 189665), (1135, 151732), (1589, 108380), (2270, 75866), (3178, 54190), (4540, 37933), (5419, 31780), (6356, 27095), (7945, 21676), (10838, 15890)]