9788380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 23708160

約数和(自身を除く): 13919780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 503, 556, 695, 973, 1006, 1390, 1946, 2012, 2515, 2780, 3521, 3892, 4865, 5030, 7042, 9730, 10060, 14084, 17605, 19460, 35210, 69917, 70420, 139834, 279668, 349585, 489419, 699170, 978838, 1398340, 1957676, 2447095, 4894190, 9788380]

約数ペア:

[(1, 9788380), (2, 4894190), (4, 2447095), (5, 1957676), (7, 1398340), (10, 978838), (14, 699170), (20, 489419), (28, 349585), (35, 279668), (70, 139834), (139, 70420), (140, 69917), (278, 35210), (503, 19460), (556, 17605), (695, 14084), (973, 10060), (1006, 9730), (1390, 7042), (1946, 5030), (2012, 4865), (2515, 3892), (2780, 3521)]