389908090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 895732992

約数和(自身を除く): 505824902

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 43, 55, 65, 85, 86, 110, 130, 143, 170, 187, 215, 221, 286, 373, 374, 430, 442, 473, 559, 715, 731, 746, 935, 946, 1105, 1118, 1430, 1462, 1865, 1870, 2210, 2365, 2431, 2795, 3655, 3730, 4103, 4730, 4849, 4862, 5590, 6149, 6341, 7310, 8041, 8206, 9503, 9698, 12155, 12298, 12682, 16039, 16082, 19006, 20515, 24245, 24310, 30745, 31705, 32078, 40205, 41030, 47515, 48490, 53339, 61490, 63410, 69751, 80195, 80410, 82433, 95030, 104533, 106678, 139502, 160390, 164866, 176429, 208507, 209066, 266695, 272663, 348755, 352858, 412165, 417014, 522665, 533390, 545326, 697510, 824330, 882145, 906763, 1042535, 1045330, 1363315, 1764290, 1813526, 2085070, 2293577, 2726630, 2999293, 3544619, 4533815, 4587154, 5998586, 7089238, 9067630, 11467885, 14996465, 17723095, 22935770, 29992930, 35446190, 38990809, 77981618, 194954045, 389908090]

約数ペア:

[(1, 389908090), (2, 194954045), (5, 77981618), (10, 38990809), (11, 35446190), (13, 29992930), (17, 22935770), (22, 17723095), (26, 14996465), (34, 11467885), (43, 9067630), (55, 7089238), (65, 5998586), (85, 4587154), (86, 4533815), (110, 3544619), (130, 2999293), (143, 2726630), (170, 2293577), (187, 2085070), (215, 1813526), (221, 1764290), (286, 1363315), (373, 1045330), (374, 1042535), (430, 906763), (442, 882145), (473, 824330), (559, 697510), (715, 545326), (731, 533390), (746, 522665), (935, 417014), (946, 412165), (1105, 352858), (1118, 348755), (1430, 272663), (1462, 266695), (1865, 209066), (1870, 208507), (2210, 176429), (2365, 164866), (2431, 160390), (2795, 139502), (3655, 106678), (3730, 104533), (4103, 95030), (4730, 82433), (4849, 80410), (4862, 80195), (5590, 69751), (6149, 63410), (6341, 61490), (7310, 53339), (8041, 48490), (8206, 47515), (9503, 41030), (9698, 40205), (12155, 32078), (12298, 31705), (12682, 30745), (16039, 24310), (16082, 24245), (19006, 20515)]