87850420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1069}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 211397760

約数和(自身を除く): 123547340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 587, 1069, 1174, 2138, 2348, 2935, 4109, 4276, 5345, 5870, 7483, 8218, 10690, 11740, 14966, 16436, 20545, 21380, 29932, 37415, 41090, 74830, 82180, 149660, 627503, 1255006, 2510012, 3137515, 4392521, 6275030, 8785042, 12550060, 17570084, 21962605, 43925210, 87850420]

約数ペア:

[(1, 87850420), (2, 43925210), (4, 21962605), (5, 17570084), (7, 12550060), (10, 8785042), (14, 6275030), (20, 4392521), (28, 3137515), (35, 2510012), (70, 1255006), (140, 627503), (587, 149660), (1069, 82180), (1174, 74830), (2138, 41090), (2348, 37415), (2935, 29932), (4109, 21380), (4276, 20545), (5345, 16436), (5870, 14966), (7483, 11740), (8218, 10690)]