721432180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1259}}^1\times {\mathrm{4093}}^1$

素因数の和:5368

約数の個数: 48

約数和(自身を含む): 1733235840

約数和(自身を除く): 1011803660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1259, 2518, 4093, 5036, 6295, 8186, 8813, 12590, 16372, 17626, 20465, 25180, 28651, 35252, 40930, 44065, 57302, 81860, 88130, 114604, 143255, 176260, 286510, 573020, 5153087, 10306174, 20612348, 25765435, 36071609, 51530870, 72143218, 103061740, 144286436, 180358045, 360716090, 721432180]

約数ペア:

[(1, 721432180), (2, 360716090), (4, 180358045), (5, 144286436), (7, 103061740), (10, 72143218), (14, 51530870), (20, 36071609), (28, 25765435), (35, 20612348), (70, 10306174), (140, 5153087), (1259, 573020), (2518, 286510), (4093, 176260), (5036, 143255), (6295, 114604), (8186, 88130), (8813, 81860), (12590, 57302), (16372, 44065), (17626, 40930), (20465, 35252), (25180, 28651)]