250870480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{447983}}^1$

素因数の和:448003

約数の個数: 40

約数和(自身を含む): 666600192

約数和(自身を除く): 415729712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 447983, 895966, 1791932, 2239915, 3135881, 3583864, 4479830, 6271762, 7167728, 8959660, 12543524, 15679405, 17919320, 25087048, 31358810, 35838640, 50174096, 62717620, 125435240, 250870480]

約数ペア:

[(1, 250870480), (2, 125435240), (4, 62717620), (5, 50174096), (7, 35838640), (8, 31358810), (10, 25087048), (14, 17919320), (16, 15679405), (20, 12543524), (28, 8959660), (35, 7167728), (40, 6271762), (56, 4479830), (70, 3583864), (80, 3135881), (112, 2239915), (140, 1791932), (280, 895966), (560, 447983)]