890892920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{8779}}^1$

素因数の和:8892

約数の個数: 64

約数和(自身を含む): 2086128000

約数和(自身を除く): 1195235080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 860, 1180, 1720, 2360, 2537, 5074, 8779, 10148, 12685, 17558, 20296, 25370, 35116, 43895, 50740, 70232, 87790, 101480, 175580, 351160, 377497, 517961, 754994, 1035922, 1509988, 1887485, 2071844, 2589805, 3019976, 3774970, 4143688, 5179610, 7549940, 10359220, 15099880, 20718440, 22272323, 44544646, 89089292, 111361615, 178178584, 222723230, 445446460, 890892920]

約数ペア:

[(1, 890892920), (2, 445446460), (4, 222723230), (5, 178178584), (8, 111361615), (10, 89089292), (20, 44544646), (40, 22272323), (43, 20718440), (59, 15099880), (86, 10359220), (118, 7549940), (172, 5179610), (215, 4143688), (236, 3774970), (295, 3019976), (344, 2589805), (430, 2071844), (472, 1887485), (590, 1509988), (860, 1035922), (1180, 754994), (1720, 517961), (2360, 377497), (2537, 351160), (5074, 175580), (8779, 101480), (10148, 87790), (12685, 70232), (17558, 50740), (20296, 43895), (25370, 35116)]