1888897010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{188701}}^1$

素因数の和:188739

約数の個数: 64

約数和(自身を含む): 4565078784

約数和(自身を除く): 2676181774

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 188701, 377402, 943505, 1320907, 1887010, 2075711, 2453113, 2641814, 4151422, 4906226, 6604535, 10378555, 12265565, 13209070, 14529977, 17171791, 20757110, 24531130, 26984243, 29059954, 34343582, 53968486, 72649885, 85858955, 134921215, 145299770, 171717910, 188889701, 269842430, 377779402, 944448505, 1888897010]

約数ペア:

[(1, 1888897010), (2, 944448505), (5, 377779402), (7, 269842430), (10, 188889701), (11, 171717910), (13, 145299770), (14, 134921215), (22, 85858955), (26, 72649885), (35, 53968486), (55, 34343582), (65, 29059954), (70, 26984243), (77, 24531130), (91, 20757110), (110, 17171791), (130, 14529977), (143, 13209070), (154, 12265565), (182, 10378555), (286, 6604535), (385, 4906226), (455, 4151422), (715, 2641814), (770, 2453113), (910, 2075711), (1001, 1887010), (1430, 1320907), (2002, 943505), (5005, 377402), (10010, 188701)]