428873320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{564307}}^1$

素因数の和:564337

約数の個数: 32

約数和(自身を含む): 1015754400

約数和(自身を除く): 586881080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 564307, 1128614, 2257228, 2821535, 4514456, 5643070, 10721833, 11286140, 21443666, 22572280, 42887332, 53609165, 85774664, 107218330, 214436660, 428873320]

約数ペア:

[(1, 428873320), (2, 214436660), (4, 107218330), (5, 85774664), (8, 53609165), (10, 42887332), (19, 22572280), (20, 21443666), (38, 11286140), (40, 10721833), (76, 5643070), (95, 4514456), (152, 2821535), (190, 2257228), (380, 1128614), (760, 564307)]