889840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 2417256

約数和(自身を除く): 1527416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 227, 245, 280, 392, 454, 490, 560, 784, 908, 980, 1135, 1589, 1816, 1960, 2270, 3178, 3632, 3920, 4540, 6356, 7945, 9080, 11123, 12712, 15890, 18160, 22246, 25424, 31780, 44492, 55615, 63560, 88984, 111230, 127120, 177968, 222460, 444920, 889840]

約数ペア:

[(1, 889840), (2, 444920), (4, 222460), (5, 177968), (7, 127120), (8, 111230), (10, 88984), (14, 63560), (16, 55615), (20, 44492), (28, 31780), (35, 25424), (40, 22246), (49, 18160), (56, 15890), (70, 12712), (80, 11123), (98, 9080), (112, 7945), (140, 6356), (196, 4540), (227, 3920), (245, 3632), (280, 3178), (392, 2270), (454, 1960), (490, 1816), (560, 1589), (784, 1135), (908, 980)]