554860900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 1317415680

約数和(自身を除く): 762554780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 509, 550, 991, 1018, 1100, 1982, 2036, 2545, 3964, 4955, 5090, 5599, 9910, 10180, 10901, 11198, 12725, 19820, 21802, 22396, 24775, 25450, 27995, 43604, 49550, 50900, 54505, 55990, 99100, 109010, 111980, 139975, 218020, 272525, 279950, 504419, 545050, 559900, 1008838, 1090100, 2017676, 2522095, 5044190, 5548609, 10088380, 11097218, 12610475, 22194436, 25220950, 27743045, 50441900, 55486090, 110972180, 138715225, 277430450, 554860900]

約数ペア:

[(1, 554860900), (2, 277430450), (4, 138715225), (5, 110972180), (10, 55486090), (11, 50441900), (20, 27743045), (22, 25220950), (25, 22194436), (44, 12610475), (50, 11097218), (55, 10088380), (100, 5548609), (110, 5044190), (220, 2522095), (275, 2017676), (509, 1090100), (550, 1008838), (991, 559900), (1018, 545050), (1100, 504419), (1982, 279950), (2036, 272525), (2545, 218020), (3964, 139975), (4955, 111980), (5090, 109010), (5599, 99100), (9910, 55990), (10180, 54505), (10901, 50900), (11198, 49550), (12725, 43604), (19820, 27995), (21802, 25450), (22396, 24775)]