987775460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{16759}}^1$

素因数の和:17196

約数の個数: 48

約数和(自身を含む): 2376433920

約数和(自身を除く): 1388658460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 8420, 11788, 14735, 16759, 29470, 33518, 58940, 67036, 83795, 117313, 167590, 234626, 335180, 469252, 586565, 1173130, 2346260, 7055539, 14111078, 28222156, 35277695, 49388773, 70555390, 98777546, 141110780, 197555092, 246943865, 493887730, 987775460]

約数ペア:

[(1, 987775460), (2, 493887730), (4, 246943865), (5, 197555092), (7, 141110780), (10, 98777546), (14, 70555390), (20, 49388773), (28, 35277695), (35, 28222156), (70, 14111078), (140, 7055539), (421, 2346260), (842, 1173130), (1684, 586565), (2105, 469252), (2947, 335180), (4210, 234626), (5894, 167590), (8420, 117313), (11788, 83795), (14735, 67036), (16759, 58940), (29470, 33518)]