276981280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55843}}^1$

素因数の和:55889

約数の個数: 48

約数和(自身を含む): 675489024

約数和(自身を除く): 398507744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 55843, 111686, 223372, 279215, 446744, 558430, 893488, 1116860, 1731133, 1786976, 2233720, 3462266, 4467440, 6924532, 8655665, 8934880, 13849064, 17311330, 27698128, 34622660, 55396256, 69245320, 138490640, 276981280]

約数ペア:

[(1, 276981280), (2, 138490640), (4, 69245320), (5, 55396256), (8, 34622660), (10, 27698128), (16, 17311330), (20, 13849064), (31, 8934880), (32, 8655665), (40, 6924532), (62, 4467440), (80, 3462266), (124, 2233720), (155, 1786976), (160, 1731133), (248, 1116860), (310, 893488), (496, 558430), (620, 446744), (992, 279215), (1240, 223372), (2480, 111686), (4960, 55843)]