1966897790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{80909}}^1$

素因数の和:80957

約数の個数: 64

約数和(自身を含む): 4404093120

約数和(自身を除く): 2437195330

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 12155, 24310, 80909, 161818, 404545, 809090, 889999, 1051817, 1375453, 1779998, 2103634, 2750906, 4449995, 5259085, 6877265, 8899990, 10518170, 11569987, 13754530, 15129983, 17880889, 23139974, 30259966, 35761778, 57849935, 75649915, 89404445, 115699870, 151299830, 178808890, 196689779, 393379558, 983448895, 1966897790]

約数ペア:

[(1, 1966897790), (2, 983448895), (5, 393379558), (10, 196689779), (11, 178808890), (13, 151299830), (17, 115699870), (22, 89404445), (26, 75649915), (34, 57849935), (55, 35761778), (65, 30259966), (85, 23139974), (110, 17880889), (130, 15129983), (143, 13754530), (170, 11569987), (187, 10518170), (221, 8899990), (286, 6877265), (374, 5259085), (442, 4449995), (715, 2750906), (935, 2103634), (1105, 1779998), (1430, 1375453), (1870, 1051817), (2210, 889999), (2431, 809090), (4862, 404545), (12155, 161818), (24310, 80909)]