207350420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6131}}^1$

素因数の和:6248

約数の個数: 48

約数和(自身を含む): 463579200

約数和(自身を除く): 256228780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6131, 6764, 8455, 12262, 16910, 24524, 30655, 33820, 61310, 116489, 122620, 232978, 465956, 545659, 582445, 1091318, 1164890, 2182636, 2329780, 2728295, 5456590, 10367521, 10913180, 20735042, 41470084, 51837605, 103675210, 207350420]

約数ペア:

[(1, 207350420), (2, 103675210), (4, 51837605), (5, 41470084), (10, 20735042), (19, 10913180), (20, 10367521), (38, 5456590), (76, 2728295), (89, 2329780), (95, 2182636), (178, 1164890), (190, 1091318), (356, 582445), (380, 545659), (445, 465956), (890, 232978), (1691, 122620), (1780, 116489), (3382, 61310), (6131, 33820), (6764, 30655), (8455, 24524), (12262, 16910)]