2248959880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{6961}}^1$

素因数の和:7210

約数の個数: 64

約数和(自身を含む): 5210639280

約数和(自身を除く): 2961679400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 197, 205, 328, 394, 410, 788, 820, 985, 1576, 1640, 1970, 3940, 6961, 7880, 8077, 13922, 16154, 27844, 32308, 34805, 40385, 55688, 64616, 69610, 80770, 139220, 161540, 278440, 285401, 323080, 570802, 1141604, 1371317, 1427005, 2283208, 2742634, 2854010, 5485268, 5708020, 6856585, 10970536, 11416040, 13713170, 27426340, 54852680, 56223997, 112447994, 224895988, 281119985, 449791976, 562239970, 1124479940, 2248959880]

約数ペア:

[(1, 2248959880), (2, 1124479940), (4, 562239970), (5, 449791976), (8, 281119985), (10, 224895988), (20, 112447994), (40, 56223997), (41, 54852680), (82, 27426340), (164, 13713170), (197, 11416040), (205, 10970536), (328, 6856585), (394, 5708020), (410, 5485268), (788, 2854010), (820, 2742634), (985, 2283208), (1576, 1427005), (1640, 1371317), (1970, 1141604), (3940, 570802), (6961, 323080), (7880, 285401), (8077, 278440), (13922, 161540), (16154, 139220), (27844, 80770), (32308, 69610), (34805, 64616), (40385, 55688)]