400513128290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1\times {\mathrm{73433}}^1$

素因数の和:73907

約数の個数: 64

約数和(自身を含む): 793721669760

約数和(自身を除く): 393208541470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 277, 358, 554, 895, 1385, 1790, 1969, 2770, 3047, 3938, 6094, 9845, 15235, 19690, 30470, 49583, 73433, 99166, 146866, 247915, 367165, 495830, 545413, 734330, 807763, 1090826, 1615526, 2727065, 4038815, 5454130, 8077630, 13144507, 20340941, 26289014, 40681882, 65722535, 101704705, 131445070, 144589577, 203409410, 223750351, 289179154, 447500702, 722947885, 1118751755, 1445895770, 2237503510, 3641028439, 7282056878, 18205142195, 36410284390, 40051312829, 80102625658, 200256564145, 400513128290]

約数ペア:

[(1, 400513128290), (2, 200256564145), (5, 80102625658), (10, 40051312829), (11, 36410284390), (22, 18205142195), (55, 7282056878), (110, 3641028439), (179, 2237503510), (277, 1445895770), (358, 1118751755), (554, 722947885), (895, 447500702), (1385, 289179154), (1790, 223750351), (1969, 203409410), (2770, 144589577), (3047, 131445070), (3938, 101704705), (6094, 65722535), (9845, 40681882), (15235, 26289014), (19690, 20340941), (30470, 13144507), (49583, 8077630), (73433, 5454130), (99166, 4038815), (146866, 2727065), (247915, 1615526), (367165, 1090826), (495830, 807763), (545413, 734330)]